The Number

42131

Forty-Two Thousand One Hundred and Thirty-One

In Base 21 Unovigesimal Is

4bb521

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

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

Nearby Numbers

Positive, nonzero integers within three units

42128
4bb221
Forty-Two Thousand One Hundred and Twenty-Eight in Base 21 Unovigesimal
42129
4bb321
Forty-Two Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
42130
4bb421
Forty-Two Thousand One Hundred and Thirty in Base 21 Unovigesimal
42132
4bb621
Forty-Two Thousand One Hundred and Thirty-Two in Base 21 Unovigesimal
42133
4bb721
Forty-Two Thousand One Hundred and Thirty-Three in Base 21 Unovigesimal
42134
4bb821
Forty-Two Thousand One Hundred and Thirty-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.

4.2131e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004cjef3941583321

The reciprocal of 42131 in Base 21 Unovigesimal.

Palindrome?

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

The number 4bb521 is not a palindrome.

A Prime Number

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

Forty-two thousand one hundred and thirty-one is the 4404th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number forty-two thousand one hundred and thirty-one has the following 1 prime factor:

42131
4bb521
Forty-Two Thousand One Hundred and Thirty-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

4bb5211 = 4bb521

Base Conversions

The number forty-two thousand one hundred and thirty-one in 35 different bases