The Number

21151

Twenty-One Thousand One Hundred and Fifty-One

In Base 21 Unovigesimal Is

25k421

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

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

Nearby Numbers

Positive, nonzero integers within three units

21148
25k121
Twenty-One Thousand One Hundred and Forty-Eight in Base 21 Unovigesimal
21149
25k221
Twenty-One Thousand One Hundred and Forty-Nine in Base 21 Unovigesimal
21150
25k321
Twenty-One Thousand One Hundred and Fifty in Base 21 Unovigesimal
21152
25k521
Twenty-One Thousand One Hundred and Fifty-Two in Base 21 Unovigesimal
21153
25k621
Twenty-One Thousand One Hundred and Fifty-Three in Base 21 Unovigesimal
21154
25k721
Twenty-One Thousand One Hundred and Fifty-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.

2.1151e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000941jh6c585hh21

The reciprocal of 21151 in Base 21 Unovigesimal.

Palindrome?

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

The number 25k421 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 fifty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and fifty-one 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 one hundred and fifty-one has the following 2 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
1627
3ea21
One Thousand Six Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

d211 · 3ea211 = 25k421

Base Conversions

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