The Number

642680

Six Hundred and Forty-Two Thousand Six Hundred and Eighty

In Base 13 Tridecimal Is

1966ac13

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

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

Nearby Numbers

Positive, nonzero integers within three units

642677
1966a913
Six Hundred and Forty-Two Thousand Six Hundred and Seventy-Seven in Base 13 Tridecimal
642678
1966aa13
Six Hundred and Forty-Two Thousand Six Hundred and Seventy-Eight in Base 13 Tridecimal
642679
1966ab13
Six Hundred and Forty-Two Thousand Six Hundred and Seventy-Nine in Base 13 Tridecimal
642681
1966b013
Six Hundred and Forty-Two Thousand Six Hundred and Eighty-One in Base 13 Tridecimal
642682
1966b113
Six Hundred and Forty-Two Thousand Six Hundred and Eighty-Two in Base 13 Tridecimal
642683
1966b213
Six Hundred and Forty-Two Thousand Six Hundred and Eighty-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.

6.42680e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007683586060b965913

The reciprocal of 642680 in Base 13 Tridecimal.

Palindrome?

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

The number 1966ac13 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-two thousand six hundred and eighty is a composite number with 16 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-two thousand six hundred and eighty is a composite number with 16 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-two thousand six hundred and eighty has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
16067
740c13
Sixteen Thousand and 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

2133 · 5131 · 740c131 = 1966ac13

Base Conversions

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