The Number

640989

Six Hundred and Forty Thousand Nine Hundred and Eighty-Nine

In Base 13 Tridecimal Is

1959ab13

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

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

Nearby Numbers

Positive, nonzero integers within three units

640986
1959a813
Six Hundred and Forty Thousand Nine Hundred and Eighty-Six in Base 13 Tridecimal
640987
1959a913
Six Hundred and Forty Thousand Nine Hundred and Eighty-Seven in Base 13 Tridecimal
640988
1959aa13
Six Hundred and Forty Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
640990
1959ac13
Six Hundred and Forty Thousand Nine Hundred and Ninety in Base 13 Tridecimal
640991
1959b013
Six Hundred and Forty Thousand Nine Hundred and Ninety-One in Base 13 Tridecimal
640992
1959b113
Six Hundred and Forty Thousand Nine Hundred and Ninety-Two in Base 13 Tridecimal

Scientific Notation

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

6.40989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000076b7c70510654b613

The reciprocal of 640989 in Base 13 Tridecimal.

Palindrome?

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

The number 1959ab13 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 nine hundred and eighty-nine is a composite number with 12 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 nine hundred and eighty-nine is a composite number with 12 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 nine hundred and eighty-nine has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
67
5213
Sixty-Seven in Base 13 Tridecimal
1063
63a13
One Thousand 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

3132 · 52131 · 63a131 = 1959ab13

Base Conversions

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