The Number

640641

Six Hundred and Forty Thousand Six Hundred and Forty-One

In Base 31 Untrigesimal Is

lfjq31

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

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

Nearby Numbers

Positive, nonzero integers within three units

640638
lfjn31
Six Hundred and Forty Thousand Six Hundred and Thirty-Eight in Base 31 Untrigesimal
640639
lfjo31
Six Hundred and Forty Thousand Six Hundred and Thirty-Nine in Base 31 Untrigesimal
640640
lfjp31
Six Hundred and Forty Thousand Six Hundred and Forty in Base 31 Untrigesimal
640642
lfjr31
Six Hundred and Forty Thousand Six Hundred and Forty-Two in Base 31 Untrigesimal
640643
lfjs31
Six Hundred and Forty Thousand Six Hundred and Forty-Three in Base 31 Untrigesimal
640644
lfjt31
Six Hundred and Forty Thousand Six Hundred and Forty-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.

6.40641e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dladqhh3ta831

The reciprocal of 640641 in Base 31 Untrigesimal.

Palindrome?

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

The number lfjq31 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 six hundred and forty-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 six hundred and forty-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 six hundred and forty-one has the following 3 prime factors:

3
331
Three in Base 31 Untrigesimal
179
5o31
One Hundred and Seventy-Nine in Base 31 Untrigesimal
1193
17f31
One Thousand One Hundred and Ninety-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 · 5o311 · 17f311 = lfjq31

Base Conversions

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