The Number

21125

Twenty-One Thousand One Hundred and Twenty-Five

In Base 25 Pentavigesimal Is

18k025

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21122
18jm25
Twenty-One Thousand One Hundred and Twenty-Two in Base 25 Pentavigesimal
21123
18jn25
Twenty-One Thousand One Hundred and Twenty-Three in Base 25 Pentavigesimal
21124
18jo25
Twenty-One Thousand One Hundred and Twenty-Four in Base 25 Pentavigesimal
21126
18k125
Twenty-One Thousand One Hundred and Twenty-Six in Base 25 Pentavigesimal
21127
18k225
Twenty-One Thousand One Hundred and Twenty-Seven in Base 25 Pentavigesimal
21128
18k325
Twenty-One Thousand One Hundred and Twenty-Eight in Base 25 Pentavigesimal

Scientific Notation

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

2.1125e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ic6nka8lm8aj25

The reciprocal of 21125 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18k025 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 twenty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and twenty-five is a composite number with 12 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 twenty-five has the following 2 prime factors:

5
525
Five in Base 25 Pentavigesimal
13
d25
Thirteen in Base 25 Pentavigesimal

Prime Factorization

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

5253 · d252 = 18k025

Base Conversions

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