The Number

644228

Six Hundred and Forty-Four Thousand Two Hundred and Twenty-Eight

In Base 13 Tridecimal Is

19730013

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

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

Nearby Numbers

Positive, nonzero integers within three units

644225
1972ca13
Six Hundred and Forty-Four Thousand Two Hundred and Twenty-Five in Base 13 Tridecimal
644226
1972cb13
Six Hundred and Forty-Four Thousand Two Hundred and Twenty-Six in Base 13 Tridecimal
644227
1972cc13
Six Hundred and Forty-Four Thousand Two Hundred and Twenty-Seven in Base 13 Tridecimal
644229
19730113
Six Hundred and Forty-Four Thousand Two Hundred and Twenty-Nine in Base 13 Tridecimal
644230
19730213
Six Hundred and Forty-Four Thousand Two Hundred and Thirty in Base 13 Tridecimal
644231
19730313
Six Hundred and Forty-Four Thousand Two Hundred and Thirty-One in Base 13 Tridecimal

Scientific Notation

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

6.44228e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007652a2b391432713

The reciprocal of 644228 in Base 13 Tridecimal.

Palindrome?

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

The number 19730013 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 two hundred and twenty-eight is a composite number with 18 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 two hundred and twenty-eight is a composite number with 18 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 two hundred and twenty-eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
953
58413
Nine Hundred and Fifty-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

2132 · 10132 · 584131 = 19730013

Base Conversions

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