The Number

664149

Six Hundred and Sixty-Four Thousand One Hundred and Forty-Nine

In Base 21 Unovigesimal Is

38f0321

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

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

Nearby Numbers

Positive, nonzero integers within three units

664146
38f0021
Six Hundred and Sixty-Four Thousand One Hundred and Forty-Six in Base 21 Unovigesimal
664147
38f0121
Six Hundred and Sixty-Four Thousand One Hundred and Forty-Seven in Base 21 Unovigesimal
664148
38f0221
Six Hundred and Sixty-Four Thousand One Hundred and Forty-Eight in Base 21 Unovigesimal
664150
38f0421
Six Hundred and Sixty-Four Thousand One Hundred and Fifty in Base 21 Unovigesimal
664151
38f0521
Six Hundred and Sixty-Four Thousand One Hundred and Fifty-One in Base 21 Unovigesimal
664152
38f0621
Six Hundred and Sixty-Four Thousand One Hundred and Fifty-Two in Base 21 Unovigesimal

Scientific Notation

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

6.64149e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000632i7b0343he421

The reciprocal of 664149 in Base 21 Unovigesimal.

Palindrome?

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

The number 38f0321 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 one hundred and forty-nine is a composite number with 8 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 one hundred and forty-nine is a composite number with 8 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 one hundred and forty-nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
107
5221
One Hundred and Seven in Base 21 Unovigesimal
2069
4eb21
Two Thousand and Sixty-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

3211 · 52211 · 4eb211 = 38f0321

Base Conversions

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