The Number

21155

Twenty-One Thousand One Hundred and Fifty-Five

In Base 31 Untrigesimal Is

m0d31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21152
m0a31
Twenty-One Thousand One Hundred and Fifty-Two in Base 31 Untrigesimal
21153
m0b31
Twenty-One Thousand One Hundred and Fifty-Three in Base 31 Untrigesimal
21154
m0c31
Twenty-One Thousand One Hundred and Fifty-Four in Base 31 Untrigesimal
21156
m0e31
Twenty-One Thousand One Hundred and Fifty-Six in Base 31 Untrigesimal
21157
m0f31
Twenty-One Thousand One Hundred and Fifty-Seven in Base 31 Untrigesimal
21158
m0g31
Twenty-One Thousand One Hundred and Fifty-Eight in Base 31 Untrigesimal

Scientific Notation

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

2.1155e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001ck9dbad0rg731

The reciprocal of 21155 in Base 31 Untrigesimal.

Palindrome?

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

The number m0d31 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and fifty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and fifty-five is a composite number with 4 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 twenty-one thousand one hundred and fifty-five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
4231
4cf31
Four Thousand Two Hundred and Thirty-One in Base 31 Untrigesimal

Prime Factorization

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

5311 · 4cf311 = m0d31

Base Conversions

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