The Number

664042

Six Hundred and Sixty-Four Thousand and Forty-Two

In Base 21 Unovigesimal Is

38eg121

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

664039
38efj21
Six Hundred and Sixty-Four Thousand and Thirty-Nine in Base 21 Unovigesimal
664040
38efk21
Six Hundred and Sixty-Four Thousand and Forty in Base 21 Unovigesimal
664041
38eg021
Six Hundred and Sixty-Four Thousand and Forty-One in Base 21 Unovigesimal
664043
38eg221
Six Hundred and Sixty-Four Thousand and Forty-Three in Base 21 Unovigesimal
664044
38eg321
Six Hundred and Sixty-Four Thousand and Forty-Four in Base 21 Unovigesimal
664045
38eg421
Six Hundred and Sixty-Four Thousand and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

6.64042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00006336b4hf1b90621

The reciprocal of 664042 in Base 21 Unovigesimal.

Palindrome?

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

The number 38eg121 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 sixty-four thousand and forty-two is a composite number with 12 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 sixty-four thousand and forty-two is a composite number with 12 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 sixty-four thousand and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
107
5221
One Hundred and Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 18211 · 52212 = 38eg121

Base Conversions

The number six hundred and sixty-four thousand and forty-two in 35 different bases