The Number

21109

Twenty-One Thousand One Hundred and Nine

In Base 25 Pentavigesimal Is

18j925

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

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

Nearby Numbers

Positive, nonzero integers within three units

21106
18j625
Twenty-One Thousand One Hundred and Six in Base 25 Pentavigesimal
21107
18j725
Twenty-One Thousand One Hundred and Seven in Base 25 Pentavigesimal
21108
18j825
Twenty-One Thousand One Hundred and Eight in Base 25 Pentavigesimal
21110
18ja25
Twenty-One Thousand One Hundred and Ten in Base 25 Pentavigesimal
21111
18jb25
Twenty-One Thousand One Hundred and Eleven in Base 25 Pentavigesimal
21112
18jc25
Twenty-One Thousand One Hundred and Twelve in Base 25 Pentavigesimal

Scientific Notation

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

2.1109e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000icfhk7h7fm2c25

The reciprocal of 21109 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18j925 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 nine is a composite number with 8 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 nine is a composite number with 8 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 nine has the following 3 prime factors:

11
b25
Eleven in Base 25 Pentavigesimal
19
j25
Nineteen in Base 25 Pentavigesimal
101
4125
One Hundred and One in Base 25 Pentavigesimal

Prime Factorization

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

b251 · j251 · 41251 = 18j925

Base Conversions

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