The Number

21155

Twenty-One Thousand One Hundred and Fifty-Five

In Base 12 Duodecimal Is

102ab12

The numbers with a 12 subscript use Base 12 Duodecimal 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
102a812
Twenty-One Thousand One Hundred and Fifty-Two in Base 12 Duodecimal
21153
102a912
Twenty-One Thousand One Hundred and Fifty-Three in Base 12 Duodecimal
21154
102aa12
Twenty-One Thousand One Hundred and Fifty-Four in Base 12 Duodecimal
21156
102b012
Twenty-One Thousand One Hundred and Fifty-Six in Base 12 Duodecimal
21157
102b112
Twenty-One Thousand One Hundred and Fifty-Seven in Base 12 Duodecimal
21158
102b212
Twenty-One Thousand One Hundred and Fifty-Eight in Base 12 Duodecimal

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.

0.0000b919370397b18212

The reciprocal of 21155 in Base 12 Duodecimal.

Palindrome?

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

The number 102ab12 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 12 Duodecimal

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
512
Five in Base 12 Duodecimal
4231
254712
Four Thousand Two Hundred and Thirty-One in Base 12 Duodecimal

Prime Factorization

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

5121 · 2547121 = 102ab12

Base Conversions

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