The Number

20121

Twenty Thousand One Hundred and Twenty-One

In Base 21 Unovigesimal Is

23d321

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20118
23d021
Twenty Thousand One Hundred and Eightteen in Base 21 Unovigesimal
20119
23d121
Twenty Thousand One Hundred and Nineteen in Base 21 Unovigesimal
20120
23d221
Twenty Thousand One Hundred and Twenty in Base 21 Unovigesimal
20122
23d421
Twenty Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
20123
23d521
Twenty Thousand One Hundred and Twenty-Three in Base 21 Unovigesimal
20124
23d621
Twenty Thousand One Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

2.0121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009dkai7acg2id21

The reciprocal of 20121 in Base 21 Unovigesimal.

Palindrome?

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

The number 23d321 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand one hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and twenty-one 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 thousand one hundred and twenty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
353
gh21
Three Hundred and Fifty-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · j211 · gh211 = 23d321

Base Conversions

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