The Number

640008

Six Hundred and Forty Thousand and Eight

In Base 13 Tridecimal Is

19540513

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640005
19540213
Six Hundred and Forty Thousand and Five in Base 13 Tridecimal
640006
19540313
Six Hundred and Forty Thousand and Six in Base 13 Tridecimal
640007
19540413
Six Hundred and Forty Thousand and Seven in Base 13 Tridecimal
640009
19540613
Six Hundred and Forty Thousand and Nine in Base 13 Tridecimal
640010
19540713
Six Hundred and Forty Thousand and Ten in Base 13 Tridecimal
640011
19540813
Six Hundred and Forty Thousand and Eleven in Base 13 Tridecimal

Scientific Notation

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

6.40008e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007707427c7970413

The reciprocal of 640008 in Base 13 Tridecimal.

Palindrome?

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

The number 19540513 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 and eight is a composite number with 32 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand and eight is a composite number with 32 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 and eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
2963
146c13
Two Thousand Nine Hundred and Sixty-Three in Base 13 Tridecimal

Prime Factorization

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

2133 · 3133 · 146c131 = 19540513

Base Conversions

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