5 digit numbers are the integers on the number line that start from 10,000 and go up to 99,999. These numbers contain a total of 5 digits in their numeric form. Let us learn more about numbers up to 5 digits in this page. Show
What are Numbers up to 5-Digits?Five-digit numbers start from ten thousand and extend up to ninety-nine thousand nine hundred and ninety-nine. These numbers contain integers at the places of ones, tens, hundreds, thousands, and ten thousands. Any positive integer can be placed at these places, keeping in mind that 0 cannot be placed on the ten thousands place. This is because if 0 is placed here it will become a 4-digit number, like, 04356 becomes 4356. The following figure shows how a random 5-digit number, 86953 is placed on an abacus. The place value of the five digits that make up the 5-digit number would be obtained by progressively multiplying the respective figure by 1, 10, 100, 1,000, and 10,000 starting from the rightmost digit and moving to the left. Smallest 5 Digit NumberThe smallest 5-digit number is 10,000 because 5-digit numbers start from 10,000 and the number before 10,000 is 9999 which is a 4-digit number. Greatest 5 Digit NumberThe greatest 5-digit number is 99,999 because the number after 99,999 is 1,00,000 which becomes a 6-digit number. Place Values of Digits in Numbers up to 5-DigitsAs shown above, in a 5-digit number, every progressive place value is the earlier place value multiplied by 10. For example, let us take a number: 37,159. This number can be represented in words, as, 'thirty-seven thousand one hundred and fifty-nine'. The following figure shows the place values of this 5-digit number. How to Decompose 5-Digit Numbers?When we see a 5-digit number, the five digits will correspond to the 5 place values - Units, Tens, Hundreds, Thousands and Ten Thousands. Let us see how a 5-digit number can be decomposed into its place values. Let us continue with the same number 20340. 2 is in Ten Thousands place = 2 × 10000 = 20000. Here, 0 is in Thousands place = 0 × 1000 = 0, and 3 is in Hundreds place = 3 × 100 = 300, 4 is in Tens place = 4 × 10 = 40, and 0 is in Units place = 0 × 1 = 0. Hence, the five-digit number can be expressed in the following way: 20000 + 0 + 300 + 40 + 0 = 20340. Now, how would the 5 place values change if we interchanged some of the digits? Let us change the number 20,340 to another 5-digit number having the same numbers with interchanged digits, like, 32,004. The change in place value of the same 5 digits shows the following results:
In both the numbers given above, all the zero digits have zero place value. Commas in 5-Digit NumbersWe saw the use of commas in four-digit numbers, and the position of the comma is just before the digit on the hundreds place, that is, to the left of the hundreds place. In a 5-digit number too, only one comma is to be used, and it is to be placed to the left of the hundreds place. For example, the 5-digit numbers 32958 and 20340 can be better expressed as 32,958 and 20,340 which helps in reading the numbers correctly. How Many 5-Digit Numbers Can Be Formed?As we said earlier, 02340 is not a five-digit number but a four-digit number 2340. A five-digit number cannot have 0 as the first digit on the left, which is the ten thousand place. Overall, every one of the 5 places of a 5-digit number can be filled up in ten ways, because it can have 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9. So each of the five places can be similarly filled up in ten ways. Therefore, the total number of combinations possible are 10 × 10 × 10 × 10 × 10 = 1,00,000. Out of these 1,00,000 ways of forming a 5-digit number, we need to take out all the possibilities which have zero in the first position on the left (or the ten thousand place). When there is zero in the first place, the next position (Thousands) can be filled up in ten ways, as can the Hundreds, Tens, and Units places. So, the number of 5-digit numbers that have zero as the first digit are 10 × 10 × 10 × 10 = 10,000. If we subtract these 10,000 ways from the overall 1,00,000 ways, we are left with 90,000. Therefore, there are 90,000 unique 5-digit numbers possible. Important Notes on Numbers up to 5-DigitsHere is a list of some important notes related to numbers up to 5 digits. These are helpful while we solve questions related to this topic.
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FAQs on Numbers up to 5-DigitsA 5-digit number is a number that has 5 digits, in which the first digit should be 1 or greater than 1 and the rest of the digits can be any number between 0-9. It starts from ten thousand (10,000) and goes up to ninety-nine thousand, nine hundred and ninety-nine (99,999). How Many 5-Digit Numbers are there?There are 90,000 five-digit numbers including the smallest five-digit number which is 10,000 and the largest five-digit number which is 99,999. How do you Read a 5-Digit Number?We read a 5 digit number from left to write, starting from the ten thousands place to the units place. For example, the number 21,356 is read from left to right, starting from 2, followed by 1, 3, 5, and then 6. In number names, it is read as twenty-one thousand, three hundred fifty-six. How do you Write 5-Digit Numbers in Words?We write the number name of a five-digit number just the way we read it. Starting from left to right, from the ten thousands place to the units place. For example, the number 31,279 is written as thirty-one thousand, two hundred seventy-nine. What is the Smallest 5-Digit Number?The smallest five-digit number is 10,000. It is read as ten thousand in number names. What is the Largest 5-Digit Number?The largest five-digit number is 99,999 and it is written as ninety-nine thousand, nine hundred ninety-nine, in words. What is the Sum of the Greatest and the Smallest 5-Digit Numbers?The greatest 5-digit number is 99,999 and the smallest 5-digit number is 10,000. Their sum is 99,999 + 10,000=1,09,999. Which is the Greatest 5 digit number which is a Perfect Square?The greatest 5 digit number which is a perfect square is 99856. This is the square of 316 which means 3162 = 99856. What is the Successor of the Greatest 5 Digit Number?The greatest 5 digit number is 99,999. The successor of 99,999 is 1,00,000 which is read as one lakh as per the Indian place value chart and is read as a hundred thousand (100,000) as per in International place value chart.
Amaze the peons with this one. It's simple. It's effective. It gets them every time.
Back to Top Magic Square #15Every row and column sums to 15 in this magic square. So do both diagonals! Back to Top Magic Square #34Every row and column sums to 34 in this magic square. So do both diagonals!
Back to Top A Recipe for Your Own 3 X 3 Magic SquareHere's a recipe for making your own 3 X 3 magic number square. This recipe and both of the above two magic squares comes from one heck of a great book called, Mathematics for the Million, by Lancelot Hogben, published by Norton and Company. I highly recommend it. You don't need much math at all to get into the adventure of numbers told in this classic book. Some necessary rules and definitions:
To create the first Magic Square #15 above, you let a be equal to 5, let b be equal to 3, and let c be equal to 1. Here are some others:
Try making up some of your own. Back to Top Upside Down Magic SquareHere's a magic square that not only adds up to 264 in all directions, but it does it even when it's upside down! If you don't believe me, look at it while you are standing on your head! (Or, just copy it out and turn it upside down.)
Back to Top Anti-magic SquareHere's a magic square with as many different totals as possible. This table produces 8 different totals. Back to Top Win Bets with this Magic SquareOK, here's a neat way to win bets with a magic square. Call a friend on the phone. Have him or her get a pencil and paper and bring it to the phone, so he or she can write down numbers from 1 to 9. Tell your friend that you will take turns calling out numbers from 1 to 9. Neither one of you can repeat a number that the other one calls out. Both of you then write down the numbers 1 to 9. Then when your friend says one of the numbers he or she draws a circle around that number, and so do you. When you say a number, you draw a square around that number, and so does your friend. The winner is whoever is the first one to get three numbers that add up exactly to 15. Say you go first and you call out 8. Your friend might call out 6. You then call out 2. Your friend calls out 5, and you call out 4. Your friend calls out 7, and you call out 3. Then you tell your friend that you have just won because you called out 8, 3, and 4, which add up to 15. Your friend will want to play again. So this time you can bet him you'll win, with the condition that in case of a draw (where you use up the numbers 1 to 9 without either of you getting a 15 total) nobody owes anything. If you know the trick, you will never lose, and will probably will most times. The tricks Actually the trick is based on both tic-tac-toe and a magic square. The magic square look like this: Because this is a magic square, every row and every column and every diagonal adds up to 15. So if you've got this square in front of you with your friend on the phone, you can put an X in the squares of the number you call out, and an O in the squares of the numbers your friend calls out. Then, just like in tic-tac-toe, you try to get three X's in a row, because those will always add up to 15. So in the example above, when you call out 8, you put an X in the upper left corner. When your friend says 6, you put an ) in the upper right corner. And so on. Back to Top Mathematical Card TrickYou need an ordinary pack of cards for this wower. No fancy shuffling is required. Just follow these easy steps:
Back to Top Lightning CalculatorHere's a trick to wow them everytime! Have someone write down their Social Security number. Then have them rewrite it so that it is all scrambled up. (If they don't have a Social Security number, have them write down any 9 digits between 1 and 9.) If there are any zeroes, have them change them to any other number between 1 and 9. Then have them copy their nine numbers, in the same order, right next to the orginal nine numbers. This will give them a number with 18 digits in it, with the first half the same as the second half. Next change the second digit to a 7, and change the eleventh digit (this will be the same number as the second digit but in the second nine digits) to a 7 also. Then bet them that you can tell them what is left after dividing the number by 7 faster than they can figure it out by hand. The answer is 0 -- 7 divides into this new number exactly with nothing left over! Back to Top Fun Number TablesThe following fun tables are from one of my favorite books of all time, Recreations in the Theory of Numbers, by Albert H. Beiler, published by Dover Publications. This book actually explains the mathematical reasons these tricks work. 3 x 37 = 111 and 1 + 1 + 1 = 3 6 x 37 = 222 and 2 + 2 + 2 = 6 9 x 37 = 333 and 3 + 3 + 3 = 9 12 x 37 = 444 and 4 + 4 + 4 = 12 15 x 37 = 555 and 5 + 5 + 5 = 15 18 x 37 = 666 and 6 + 6 + 6 = 18 21 x 37 = 777 and 7 + 7 + 7 = 21 24 x 37 = 888 and 8 + 8 + 8 = 24 27 x 37 = 999 and 9 + 9 + 9 = 27 1 x 1 = 1 11 x 11 = 121 111 x 111 = 12321 1111 x 1111 = 1234321 11111 x 11111 = 123454321 111111 x 111111 = 12345654321 1111111 x 1111111 = 1234567654321 11111111 x 11111111 = 123456787654321 111111111 x 111111111=12345678987654321 1 x 9 + 2 = 11 12 x 9 + 3 = 111 123 x 9 + 4 = 1111 1234 x 9 + 5 = 11111 12345 x 9 + 6 = 111111 123456 x 9 + 7 = 1111111 1234567 x 9 + 8 = 11111111 12345678 x 9 + 9 = 111111111 123456789 x 9 +10 = 1111111111 9 x 9 + 7 = 88 98 x 9 + 6 = 888 987 x 9 + 5 = 8888 9876 x 9 + 4 = 88888 98765 x 9 + 3 = 888888 987654 x 9 + 2 = 8888888 9876543 x 9 + 1 = 88888888 98765432 x 9 + 0 = 888888888 1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876 12345 x 8 + 5 = 98765 123456 x 8 + 6 = 987654 1234567 x 8 + 7 = 9876543 12345678 x 8 + 8 = 98765432 123456789 x 8 + 9 = 987654321 7 x 7 = 49 67 x 67 = 4489 667 x 667 = 444889 6667 x 6667 = 44448889 66667 x 66667 = 4444488889 666667 x 666667 = 444444888889 6666667 x 6666667 = 44444448888889 etc. 4 x 4 = 16 34 x 34 = 1156 334 x 334 = 111556 3334 x 3334 = 11115556 33334 x 33334 = 1111155556 etc.Back to Top Did You Know...?Each and every 2-digit number that ends with a 9 is the sum of the multiple of the two digits plus the sum of the 2 digits. Thus, for example, 29= (2 X 9) + (2 + 9). 2 X 9 = 18. 2 + 9 = 11. 18 + 11 = 29. 40 is a unique number because when written as "forty" it is the only number whose letters are in alphabetical order. A prime number is an integer greater than 1 that cannot be divided evenly by any other integer but itself (and 1). 2, 3, 5, 7, 11, 13, and 17 are examples of prime numbers. 139 and 149 are the first consecutive primes differing by 10. 69 is the only number whose square and cube between them use all of the digits 0 to 9 once each: One pound of iron contains an estimated 4,891,500,000,000,000,000,000,000 atoms. There are some 318,979,564,000 possible ways of playing the first four moves on each side in a game of chess. The earth travels over one and a half million miles every day. There are 2,500,000 rivets in the Eiffel Tower. If all of the blood vessels in the human body were laid end to end, they would stretch for 100,000 miles. Back to Top A Math Trick for This YearThis one will supposedly only work in 1998, but actually one change will let it work for any year. 1. Pick the number of days a week that you would like to go out (1-7). 2. Multiply this number by 2. 3. Add 5. 4. Multiply the new total by 50. 5. In 1998, if you have already had your birthday this year, add 1748. If not, add 1747. In 1999, just add 1 to these two numbers (so add 1749 if you already had your birthday, and add 1748 if you haven't). In 2000, the number change to 1749 and 1748. And so on. 6. Subtract the four digit year that you were born (19XX). Results: You should have a three-digit number. The first digit of this number was the number of days you want to go out each week (1-7). The last two digits are your age. (Thanks for passing this one on to me, Judy.) Back to Top Where is the String?The next time you are with a group of people, and you want to impress them with your psychic powers, try this. Number everyone in the group from 1 to however many there are. Get a piece of string, and tell them to tie it on someone's finger while you leave the room or turn your back. Then say you can tell them not only who has it, but which hand and which finger it is on, if they will just do some easy math for you and tell you the answers. Then ask one of them to answer the following questions: 1. Multiply the number of the person with the string by 2. 2. Add 3. 3. Multiply the result by 5. 4. If the string is on the right hand add 8. If the string is on the left hand add 9. 5. Multiply by 10. 6. Add the number of the finger (the thumb = 1). 7. Add 2. Ask them to tell you the answer. Then mentally subtract 222. The remainder gives the answer, beginning with the right-hand digit of the answer. For example, suppose the string is on the third finger of the left hand of Player #6: 1. Multiply by 2 = 12. 2. Add 3 = 15. 3. Multiply by 5 = 75. 4. Since the string is on the left hand, add 9 = 84. 5. Multiply by 10 = 840. 6. Add the number of the finger (3) = 843. 7. Add 2 = 845. Now mentally subtract 222 = 623. The right-hand digit (3) tells you the string is on the third finger. The middle digit tells it is on the left hand (the right hand would = 1). The left-hand digit tells you it is Player #6 who has the string. By the way, when the number of the person is over 9, you will get a FOUR-digit number, and the TWO left-hand digits will be the number of the Player. What is the Secret? (This is from a great book called, Giant Book of Puzzles & Games, by Sheila Anne Barry. Published by Sterling Publishing Co., Inc., NY, 1978, recently reissued in paperback.) Stay tuned for more Math Tricks. They will be added from time to time, so be sure to check in again. |