The Number

640131

Six Hundred and Forty Thousand One Hundred and Thirty-One

In Base 31 Untrigesimal Is

lf3c31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640128
lf3931
Six Hundred and Forty Thousand One Hundred and Twenty-Eight in Base 31 Untrigesimal
640129
lf3a31
Six Hundred and Forty Thousand One Hundred and Twenty-Nine in Base 31 Untrigesimal
640130
lf3b31
Six Hundred and Forty Thousand One Hundred and Thirty in Base 31 Untrigesimal
640132
lf3d31
Six Hundred and Forty Thousand One Hundred and Thirty-Two in Base 31 Untrigesimal
640133
lf3e31
Six Hundred and Forty Thousand One Hundred and Thirty-Three in Base 31 Untrigesimal
640134
lf3f31
Six Hundred and Forty Thousand One Hundred and Thirty-Four in Base 31 Untrigesimal

Scientific Notation

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

6.40131e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dmdkga2b53l31

The reciprocal of 640131 in Base 31 Untrigesimal.

Palindrome?

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

The number lf3c31 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand one hundred and thirty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand one hundred and thirty-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 six hundred and forty thousand one hundred and thirty-one has the following 3 prime factors:

3
331
Three in Base 31 Untrigesimal
379
c731
Three Hundred and Seventy-Nine in Base 31 Untrigesimal
563
i531
Five Hundred and Sixty-Three in Base 31 Untrigesimal

Prime Factorization

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

3311 · c7311 · i5311 = lf3c31

Base Conversions

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