The Number

640020

Six Hundred and Forty Thousand and Twenty

In Base 31 Untrigesimal Is

leup31

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

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

Nearby Numbers

Positive, nonzero integers within three units

640017
leum31
Six Hundred and Forty Thousand and Seventeen in Base 31 Untrigesimal
640018
leun31
Six Hundred and Forty Thousand and Eightteen in Base 31 Untrigesimal
640019
leuo31
Six Hundred and Forty Thousand and Nineteen in Base 31 Untrigesimal
640021
leuq31
Six Hundred and Forty Thousand and Twenty-One in Base 31 Untrigesimal
640022
leur31
Six Hundred and Forty Thousand and Twenty-Two in Base 31 Untrigesimal
640023
leus31
Six Hundred and Forty Thousand and Twenty-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.

6.40020e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dml3ikn3i4531

The reciprocal of 640020 in Base 31 Untrigesimal.

Palindrome?

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

The number leup31 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 and twenty is a composite number with 24 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 and twenty is a composite number with 24 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 and twenty has the following 4 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
10667
b3331
Ten Thousand Six Hundred and Sixty-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

2312 · 3311 · 5311 · b33311 = leup31

Base Conversions

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