The Number

640161

Six Hundred and Forty Thousand One Hundred and Sixty-One

In Base 31 Untrigesimal Is

lf4b31

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

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

Nearby Numbers

Positive, nonzero integers within three units

640158
lf4831
Six Hundred and Forty Thousand One Hundred and Fifty-Eight in Base 31 Untrigesimal
640159
lf4931
Six Hundred and Forty Thousand One Hundred and Fifty-Nine in Base 31 Untrigesimal
640160
lf4a31
Six Hundred and Forty Thousand One Hundred and Sixty in Base 31 Untrigesimal
640162
lf4c31
Six Hundred and Forty Thousand One Hundred and Sixty-Two in Base 31 Untrigesimal
640163
lf4d31
Six Hundred and Forty Thousand One Hundred and Sixty-Three in Base 31 Untrigesimal
640164
lf4e31
Six Hundred and Forty Thousand One Hundred and Sixty-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.

6.40161e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dmbk2m2ltoq31

The reciprocal of 640161 in Base 31 Untrigesimal.

Palindrome?

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

The number lf4b31 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 sixty-one is a composite number with 6 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 sixty-one is a composite number with 6 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 sixty-one has the following 2 prime factors:

3
331
Three in Base 31 Untrigesimal
71129
2c0f31
Seventy-One Thousand One Hundred and Twenty-Nine in Base 31 Untrigesimal

Prime Factorization

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

3312 · 2c0f311 = lf4b31

Base Conversions

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