The Number

664640

Six Hundred and Sixty-Four Thousand Six Hundred and Forty

In Base 13 Tridecimal Is

1a36a213

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

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

Nearby Numbers

Positive, nonzero integers within three units

664637
1a369c13
Six Hundred and Sixty-Four Thousand Six Hundred and Thirty-Seven in Base 13 Tridecimal
664638
1a36a013
Six Hundred and Sixty-Four Thousand Six Hundred and Thirty-Eight in Base 13 Tridecimal
664639
1a36a113
Six Hundred and Sixty-Four Thousand Six Hundred and Thirty-Nine in Base 13 Tridecimal
664641
1a36a313
Six Hundred and Sixty-Four Thousand Six Hundred and Forty-One in Base 13 Tridecimal
664642
1a36a413
Six Hundred and Sixty-Four Thousand Six Hundred and Forty-Two in Base 13 Tridecimal
664643
1a36a513
Six Hundred and Sixty-Four Thousand Six Hundred and Forty-Three in Base 13 Tridecimal

Scientific Notation

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

6.64640e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007354339b9a31a7a13

The reciprocal of 664640 in Base 13 Tridecimal.

Palindrome?

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

The number 1a36a213 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 six hundred and forty is a composite number with 56 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 six hundred and forty is a composite number with 56 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 six hundred and forty has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
67
5213
Sixty-Seven in Base 13 Tridecimal

Prime Factorization

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

2136 · 5131 · 25131 · 52131 = 1a36a213

Base Conversions

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