The Number

21121

Twenty-One Thousand One Hundred and Twenty-One

In Base 25 Pentavigesimal Is

18jl25

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

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

Nearby Numbers

Positive, nonzero integers within three units

21118
18ji25
Twenty-One Thousand One Hundred and Eightteen in Base 25 Pentavigesimal
21119
18jj25
Twenty-One Thousand One Hundred and Nineteen in Base 25 Pentavigesimal
21120
18jk25
Twenty-One Thousand One Hundred and Twenty in Base 25 Pentavigesimal
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

Scientific Notation

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

2.1121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ic93d8onl3i25

The reciprocal of 21121 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18jl25 is not a palindrome.

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-one is the 2374th prime number.   See primes in Base 25 Pentavigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand One Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Twenty-One Thousand One Hundred and Twenty-One

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-one has the following 1 prime factor:

21121
18jl25
Twenty-One Thousand One Hundred and Twenty-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

18jl251 = 18jl25

Base Conversions

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