The Number

40640

Forty Thousand Six Hundred and Forty

In Base 31 Untrigesimal Is

1b8u31

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

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

Nearby Numbers

Positive, nonzero integers within three units

40637
1b8r31
Forty Thousand Six Hundred and Thirty-Seven in Base 31 Untrigesimal
40638
1b8s31
Forty Thousand Six Hundred and Thirty-Eight in Base 31 Untrigesimal
40639
1b8t31
Forty Thousand Six Hundred and Thirty-Nine in Base 31 Untrigesimal
40641
1b9031
Forty Thousand Six Hundred and Forty-One in Base 31 Untrigesimal
40642
1b9131
Forty Thousand Six Hundred and Forty-Two in Base 31 Untrigesimal
40643
1b9231
Forty Thousand Six Hundred and Forty-Three in Base 31 Untrigesimal

Scientific Notation

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

4.0640e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000mme5j1tha8g31

The reciprocal of 40640 in Base 31 Untrigesimal.

Palindrome?

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

The number 1b8u31 is not a palindrome.

Not A Prime Number

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

Forty thousand six hundred and forty is a composite number with 28 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Forty thousand six hundred and forty is a composite number with 28 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 forty thousand six hundred and forty has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
127
4331
One Hundred and Twenty-Seven in Base 31 Untrigesimal

Prime Factorization

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

2316 · 5311 · 43311 = 1b8u31

Base Conversions

The number forty thousand six hundred and forty in 35 different bases