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Square numbers can end in the digits 0, 1, 4, 5, 6, or 9. This is because when you square the last digit of a number (0-9), only these digits appear as the last digit of the resulting square. For example, squaring 2 gives 4, squaring 3 gives 9, and squaring 5 gives 25, which ends in 5. Thus, any square number will always end in one of these six digits.
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Does a square number always end in 0246 or 8?
No, a square number does not always end in 0, 2, 4, 6, or 8. In fact, square numbers can only end in 0, 1, 4, 5, 6, or 9 when considering their last digit. For example, the square of 3 is 9, and the square of 4 is 16, which demonstrates that square numbers can also end with the digits 1 and 9.
What 5 digit number has Numbers increasing from the left Each digit is different 1st and 5th digits are square numbers 1st and 4th digits are cubed numbers 2nd 3rd digits are even?
12689 14689 12489
What is the exact square root of two?
1.4142136 that is all the digits i know or that is all the numbers there is.
How many prime numbers are there whose square has 5 or 6 digits?
solution: we know that there are 25 prime numbers are between 1-100 and 168 prime numbers less than 1000. 100 x 100=10000(5 digits) 999 x 999=998001(6 digits) 1000 x 1000=1000000(7 digits) so our answer should be same as the number of prime numbers between 100 to 999. hence, 168-25=143. 143 prime numbers will be there less than 1000 whose square has 5 or 6 digits.
How many two-digit numbers have digits whose sum is a perfect square?
To find how many two-digit numbers have digits whose sum is a perfect square, we first note that the two-digit numbers range from 10 to 99. The possible sums of the digits (tens digit (a) and units digit (b)) can range from 1 (1+0) to 18 (9+9). The perfect squares within this range are 1, 4, 9, and 16. Analyzing each case, we find the valid combinations for each perfect square, leading to a total of 36 two-digit numbers whose digits sum to a perfect square.
What 5 digit number has Numbers increasing from the left Each digit is different 1st and 5th digits are square numbers 1st and 4th digits are cubed numbers 2nd 3rd digits are even?
12689 14689 12489
How many digits do even numbers end with?
Five... 0,2,4,6 & 8
How many of the numbers from 10 through 98 have the sum of their digits equal to a perfect and 8203 square?
There are 17 such numbers.
What is the exact square root of two?
1.4142136 that is all the digits i know or that is all the numbers there is.
How many two digit numbers have digits whose sum is a perfect square?
69
How many numbers from 10 through 100 have the sum of their digits equal to a perfect square?
18
How many numbers from 10 through 84 have the sum of their digits equal to a perfect square?
14
How many numbers from 10 through 95 have the sum of their digits equal to a perfect square?
16 of them.
How many strings of six decimal digits end with an even digit?
There are 500000 such numbers.
How many prime numbers are there whose square has 5 or 6 digits?
solution: we know that there are 25 prime numbers are between 1-100 and 168 prime numbers less than 1000. 100 x 100=10000(5 digits) 999 x 999=998001(6 digits) 1000 x 1000=1000000(7 digits) so our answer should be same as the number of prime numbers between 100 to 999. hence, 168-25=143. 143 prime numbers will be there less than 1000 whose square has 5 or 6 digits.
How many numbers are in the square root of pie?
Pi is an irrational number and has an infinite number of digits after the decimal point. So does its square root.
How many 2 digits numbers are such that the difference of the number and the number with the digits reversed is a perfect square?
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
