The Number

640672

Six Hundred and Forty Thousand Six Hundred and Seventy-Two

In Base 13 Tridecimal Is

1957c613

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

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

Nearby Numbers

Positive, nonzero integers within three units

640669
1957c313
Six Hundred and Forty Thousand Six Hundred and Sixty-Nine in Base 13 Tridecimal
640670
1957c413
Six Hundred and Forty Thousand Six Hundred and Seventy in Base 13 Tridecimal
640671
1957c513
Six Hundred and Forty Thousand Six Hundred and Seventy-One in Base 13 Tridecimal
640673
1957c713
Six Hundred and Forty Thousand Six Hundred and Seventy-Three in Base 13 Tridecimal
640674
1957c813
Six Hundred and Forty Thousand Six Hundred and Seventy-Four in Base 13 Tridecimal
640675
1957c913
Six Hundred and Forty Thousand Six Hundred and Seventy-Five in Base 13 Tridecimal

Scientific Notation

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

6.40672e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000076c31c58a2003a13

The reciprocal of 640672 in Base 13 Tridecimal.

Palindrome?

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

The number 1957c613 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 six hundred and seventy-two is a composite number with 12 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 six hundred and seventy-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 forty thousand six hundred and seventy-two has the following 2 prime factors:

2
213
Two in Base 13 Tridecimal
20021
916113
Twenty Thousand and Twenty-One in Base 13 Tridecimal

Prime Factorization

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

2135 · 9161131 = 1957c613

Base Conversions

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