The Number

21209

Twenty-One Thousand Two Hundred and Nine

In Base 25 Pentavigesimal Is

18n925

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

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

Nearby Numbers

Positive, nonzero integers within three units

21206
18n625
Twenty-One Thousand Two Hundred and Six in Base 25 Pentavigesimal
21207
18n725
Twenty-One Thousand Two Hundred and Seven in Base 25 Pentavigesimal
21208
18n825
Twenty-One Thousand Two Hundred and Eight in Base 25 Pentavigesimal
21210
18na25
Twenty-One Thousand Two Hundred and Ten in Base 25 Pentavigesimal
21211
18nb25
Twenty-One Thousand Two Hundred and Eleven in Base 25 Pentavigesimal
21212
18nc25
Twenty-One Thousand Two 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.

2.1209e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000iab4cigl14jc25

The reciprocal of 21209 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18n925 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 two hundred and nine is a composite number with 4 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 two hundred and nine 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 two hundred and nine has the following 2 prime factors:

127
5225
One Hundred and Twenty-Seven in Base 25 Pentavigesimal
167
6h25
One Hundred and Sixty-Seven in Base 25 Pentavigesimal

Prime Factorization

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

52251 · 6h251 = 18n925

Base Conversions

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