The Number

640168

Six Hundred and Forty Thousand One Hundred and Sixty-Eight

In Base 13 Tridecimal Is

1954c913

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

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

Nearby Numbers

Positive, nonzero integers within three units

640165
1954c613
Six Hundred and Forty Thousand One Hundred and Sixty-Five in Base 13 Tridecimal
640166
1954c713
Six Hundred and Forty Thousand One Hundred and Sixty-Six in Base 13 Tridecimal
640167
1954c813
Six Hundred and Forty Thousand One Hundred and Sixty-Seven in Base 13 Tridecimal
640169
1954ca13
Six Hundred and Forty Thousand One Hundred and Sixty-Nine in Base 13 Tridecimal
640170
1954cb13
Six Hundred and Forty Thousand One Hundred and Seventy in Base 13 Tridecimal
640171
1954cc13
Six Hundred and Forty Thousand One Hundred and Seventy-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.

6.40168e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000770324986c17413

The reciprocal of 640168 in Base 13 Tridecimal.

Palindrome?

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

The number 1954c913 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 one hundred and sixty-eight is a composite number with 8 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 one hundred and sixty-eight is a composite number with 8 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 one hundred and sixty-eight has the following 2 prime factors:

2
213
Two in Base 13 Tridecimal
80021
2a56613
Eighty Thousand and Twenty-One in Base 13 Tridecimal

Prime Factorization

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

2133 · 2a566131 = 1954c913

Base Conversions

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