The Number

640225

Six Hundred and Forty Thousand Two Hundred and Twenty-Five

In Base 31 Untrigesimal Is

lf6d31

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

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

Nearby Numbers

Positive, nonzero integers within three units

640222
lf6a31
Six Hundred and Forty Thousand Two Hundred and Twenty-Two in Base 31 Untrigesimal
640223
lf6b31
Six Hundred and Forty Thousand Two Hundred and Twenty-Three in Base 31 Untrigesimal
640224
lf6c31
Six Hundred and Forty Thousand Two Hundred and Twenty-Four in Base 31 Untrigesimal
640226
lf6e31
Six Hundred and Forty Thousand Two Hundred and Twenty-Six in Base 31 Untrigesimal
640227
lf6f31
Six Hundred and Forty Thousand Two Hundred and Twenty-Seven in Base 31 Untrigesimal
640228
lf6g31
Six Hundred and Forty Thousand Two Hundred and Twenty-Eight in Base 31 Untrigesimal

Scientific Notation

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

6.40225e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001dm7as0bh3dd31

The reciprocal of 640225 in Base 31 Untrigesimal.

Palindrome?

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

The number lf6d31 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 two hundred and twenty-five 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 two hundred and twenty-five 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 two hundred and twenty-five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
25609
qk331
Twenty-Five Thousand Six Hundred and 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

5312 · qk3311 = lf6d31

Base Conversions

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