The Number

640481

Six Hundred and Forty Thousand Four Hundred and Eighty-One

In Base 13 Tridecimal Is

1956aa13

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

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

Nearby Numbers

Positive, nonzero integers within three units

640478
1956a713
Six Hundred and Forty Thousand Four Hundred and Seventy-Eight in Base 13 Tridecimal
640479
1956a813
Six Hundred and Forty Thousand Four Hundred and Seventy-Nine in Base 13 Tridecimal
640480
1956a913
Six Hundred and Forty Thousand Four Hundred and Eighty in Base 13 Tridecimal
640482
1956ab13
Six Hundred and Forty Thousand Four Hundred and Eighty-Two in Base 13 Tridecimal
640483
1956ac13
Six Hundred and Forty Thousand Four Hundred and Eighty-Three in Base 13 Tridecimal
640484
1956b013
Six Hundred and Forty Thousand Four Hundred and Eighty-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.

6.40481e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000076c81182c4b918913

The reciprocal of 640481 in Base 13 Tridecimal.

Palindrome?

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

The number 1956aa13 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 four hundred and eighty-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 forty thousand four hundred and eighty-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 forty thousand four hundred and eighty-one has the following 2 prime factors:

23
1a13
Twenty-Three in Base 13 Tridecimal
27847
c8a113
Twenty-Seven Thousand Eight Hundred and Forty-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

1a131 · c8a1131 = 1956aa13

Base Conversions

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