The Number

644072

Six Hundred and Forty-Four Thousand and Seventy-Two

In Base 13 Tridecimal Is

19721013

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

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

Nearby Numbers

Positive, nonzero integers within three units

644069
19720a13
Six Hundred and Forty-Four Thousand and Sixty-Nine in Base 13 Tridecimal
644070
19720b13
Six Hundred and Forty-Four Thousand and Seventy in Base 13 Tridecimal
644071
19720c13
Six Hundred and Forty-Four Thousand and Seventy-One in Base 13 Tridecimal
644073
19721113
Six Hundred and Forty-Four Thousand and Seventy-Three in Base 13 Tridecimal
644074
19721213
Six Hundred and Forty-Four Thousand and Seventy-Four in Base 13 Tridecimal
644075
19721313
Six Hundred and Forty-Four Thousand 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.

6.44072e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007656a087c7b47313

The reciprocal of 644072 in Base 13 Tridecimal.

Palindrome?

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

The number 19721013 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-four thousand and seventy-two 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-four thousand and seventy-two 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-four thousand and seventy-two has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
563
34413
Five 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 · b131 · 10131 · 344131 = 19721013

Base Conversions

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