The Number

640398

Six Hundred and Forty Thousand Three Hundred and Ninety-Eight

In Base 31 Untrigesimal Is

lfc031

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

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

Nearby Numbers

Positive, nonzero integers within three units

640395
lfbs31
Six Hundred and Forty Thousand Three Hundred and Ninety-Five in Base 31 Untrigesimal
640396
lfbt31
Six Hundred and Forty Thousand Three Hundred and Ninety-Six in Base 31 Untrigesimal
640397
lfbu31
Six Hundred and Forty Thousand Three Hundred and Ninety-Seven in Base 31 Untrigesimal
640399
lfc131
Six Hundred and Forty Thousand Three Hundred and Ninety-Nine in Base 31 Untrigesimal
640400
lfc231
Six Hundred and Forty Thousand Four Hundred in Base 31 Untrigesimal
640401
lfc331
Six Hundred and Forty Thousand Four Hundred and One in Base 31 Untrigesimal

Scientific Notation

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

6.40398e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dlqn0n6isem31

The reciprocal of 640398 in Base 31 Untrigesimal.

Palindrome?

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

The number lfc031 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 three hundred and ninety-eight is a composite number with 32 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 three hundred and ninety-eight is a composite number with 32 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 three hundred and ninety-eight has the following 5 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
31
1031
Thirty-One in Base 31 Untrigesimal
313
a331
Three Hundred and Thirteen in Base 31 Untrigesimal

Prime Factorization

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

2311 · 3311 · b311 · 10311 · a3311 = lfc031

Base Conversions

The number six hundred and forty thousand three hundred and ninety-eight in 35 different bases