The Number

31530

Thirty-One Thousand Five Hundred and Thirty

In Base 21 Unovigesimal Is

38a921

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Thirty-One Thousand Five Hundred and Thirty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

31527
38a621
Thirty-One Thousand Five Hundred and Twenty-Seven in Base 21 Unovigesimal
31528
38a721
Thirty-One Thousand Five Hundred and Twenty-Eight in Base 21 Unovigesimal
31529
38a821
Thirty-One Thousand Five Hundred and Twenty-Nine in Base 21 Unovigesimal
31531
38aa21
Thirty-One Thousand Five Hundred and Thirty-One in Base 21 Unovigesimal
31532
38ab21
Thirty-One Thousand Five Hundred and Thirty-Two in Base 21 Unovigesimal
31533
38ac21
Thirty-One Thousand Five Hundred and Thirty-Three in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

3.1530e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00063b304j2056j721

The reciprocal of 31530 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 38a921 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirty-one thousand five hundred and thirty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand five hundred and thirty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number thirty-one thousand five hundred and thirty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
1051
28121
One Thousand and Fifty-One in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2211 · 3211 · 5211 · 281211 = 38a921

Base Conversions

The number thirty-one thousand five hundred and thirty in 35 different bases