The Number

21218

Twenty-One Thousand Two Hundred and Eightteen

In Base 25 Pentavigesimal Is

18ni25

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

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

Nearby Numbers

Positive, nonzero integers within three units

21215
18nf25
Twenty-One Thousand Two Hundred and Fifteen in Base 25 Pentavigesimal
21216
18ng25
Twenty-One Thousand Two Hundred and Sixteen in Base 25 Pentavigesimal
21217
18nh25
Twenty-One Thousand Two Hundred and Seventeen in Base 25 Pentavigesimal
21219
18nj25
Twenty-One Thousand Two Hundred and Nineteen in Base 25 Pentavigesimal
21220
18nk25
Twenty-One Thousand Two Hundred and Twenty in Base 25 Pentavigesimal
21221
18nl25
Twenty-One Thousand Two Hundred and Twenty-One in Base 25 Pentavigesimal

Scientific Notation

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

2.1218e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ia67b1lb7h625

The reciprocal of 21218 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18ni25 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 eightteen is a composite number with 6 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 eightteen is a composite number with 6 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 eightteen has the following 2 prime factors:

2
225
Two in Base 25 Pentavigesimal
103
4325
One Hundred and Three in Base 25 Pentavigesimal

Prime Factorization

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

2251 · 43252 = 18ni25

Base Conversions

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