The Number

664021

Six Hundred and Sixty-Four Thousand and Twenty-One

In Base 13 Tridecimal Is

1a331713

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

For more familiar numbers: See Six Hundred and Sixty-Four Thousand and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

664018
1a331413
Six Hundred and Sixty-Four Thousand and Eightteen in Base 13 Tridecimal
664019
1a331513
Six Hundred and Sixty-Four Thousand and Nineteen in Base 13 Tridecimal
664020
1a331613
Six Hundred and Sixty-Four Thousand and Twenty in Base 13 Tridecimal
664022
1a331813
Six Hundred and Sixty-Four Thousand and Twenty-Two in Base 13 Tridecimal
664023
1a331913
Six Hundred and Sixty-Four Thousand and Twenty-Three in Base 13 Tridecimal
664024
1a331a13
Six Hundred and Sixty-Four Thousand and Twenty-Four in Base 13 Tridecimal

Scientific Notation

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

6.64021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007366184c1cbb0c13

The reciprocal of 664021 in Base 13 Tridecimal.

Palindrome?

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

The number 1a331713 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 sixty-four thousand and twenty-one is a composite number with 4 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 sixty-four thousand and twenty-one is a composite number with 4 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 sixty-four thousand and twenty-one has the following 2 prime factors:

457
29213
Four Hundred and Fifty-Seven in Base 13 Tridecimal
1453
87a13
One Thousand Four 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

292131 · 87a131 = 1a331713

Base Conversions

The number six hundred and sixty-four thousand and twenty-one in 35 different bases