The Number

640225

Six Hundred and Forty Thousand Two Hundred and Twenty-Five

In Base 21 Unovigesimal Is

362fj21

The numbers with a 21 subscript use Base 21 Unovigesimal 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
362fg21
Six Hundred and Forty Thousand Two Hundred and Twenty-Two in Base 21 Unovigesimal
640223
362fh21
Six Hundred and Forty Thousand Two Hundred and Twenty-Three in Base 21 Unovigesimal
640224
362fi21
Six Hundred and Forty Thousand Two Hundred and Twenty-Four in Base 21 Unovigesimal
640226
362fk21
Six Hundred and Forty Thousand Two Hundred and Twenty-Six in Base 21 Unovigesimal
640227
362g021
Six Hundred and Forty Thousand Two Hundred and Twenty-Seven in Base 21 Unovigesimal
640228
362g121
Six Hundred and Forty Thousand Two Hundred and Twenty-Eight in Base 21 Unovigesimal

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.

0.000067k498f0i0jb621

The reciprocal of 640225 in Base 21 Unovigesimal.

Palindrome?

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

The number 362fj21 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 21 Unovigesimal

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
521
Five in Base 21 Unovigesimal
25609
2g1a21
Twenty-Five Thousand Six Hundred and Nine in Base 21 Unovigesimal

Prime Factorization

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

5212 · 2g1a211 = 362fj21

Base Conversions

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