The Number

51491

Fifty-One Thousand Four Hundred and Ninety-One

In Base 21 Unovigesimal Is

5bfk21

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

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

Nearby Numbers

Positive, nonzero integers within three units

51488
5bfh21
Fifty-One Thousand Four Hundred and Eighty-Eight in Base 21 Unovigesimal
51489
5bfi21
Fifty-One Thousand Four Hundred and Eighty-Nine in Base 21 Unovigesimal
51490
5bfj21
Fifty-One Thousand Four Hundred and Ninety in Base 21 Unovigesimal
51492
5bg021
Fifty-One Thousand Four Hundred and Ninety-Two in Base 21 Unovigesimal
51493
5bg121
Fifty-One Thousand Four Hundred and Ninety-Three in Base 21 Unovigesimal
51494
5bg221
Fifty-One Thousand Four Hundred and Ninety-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.

5.1491e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003g6deh5b34b7521

The reciprocal of 51491 in Base 21 Unovigesimal.

Palindrome?

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

The number 5bfk21 is not a palindrome.

Not A Prime Number

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

Fifty-one thousand four hundred and ninety-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.

Fifty-one thousand four hundred and ninety-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 fifty-one thousand four hundred and ninety-one has the following 3 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-One in Base 21 Unovigesimal

Prime Factorization

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

b211 · 1a211 · 74211 = 5bfk21

Base Conversions

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