The Number

648

Six Hundred and Forty-Eight

In Base 31 Untrigesimal Is

ks31

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

For more familiar numbers: See Six Hundred and Forty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

645
kp31
Six Hundred and Forty-Five in Base 31 Untrigesimal
646
kq31
Six Hundred and Forty-Six in Base 31 Untrigesimal
647
kr31
Six Hundred and Forty-Seven in Base 31 Untrigesimal
649
kt31
Six Hundred and Forty-Nine in Base 31 Untrigesimal
650
ku31
Six Hundred and Fifty in Base 31 Untrigesimal
651
l031
Six Hundred and Fifty-One in Base 31 Untrigesimal

Scientific Notation

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

6.48e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01eu5odpictrm31

The reciprocal of 648 in Base 31 Untrigesimal.

Palindrome?

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

The number ks31 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-eight is a composite number with 20 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-eight is a composite number with 20 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-eight has the following 2 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal

Prime Factorization

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

2313 · 3314 = ks31

Base Conversions

The number six hundred and forty-eight in 35 different bases