The Number

642538

Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Eight

In Base 13 Tridecimal Is

19660013

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

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

Nearby Numbers

Positive, nonzero integers within three units

642535
1965ca13
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Five in Base 13 Tridecimal
642536
1965cb13
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Six in Base 13 Tridecimal
642537
1965cc13
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Seven in Base 13 Tridecimal
642539
19660113
Six Hundred and Forty-Two Thousand Five Hundred and Thirty-Nine in Base 13 Tridecimal
642540
19660213
Six Hundred and Forty-Two Thousand Five Hundred and Forty in Base 13 Tridecimal
642541
19660313
Six Hundred and Forty-Two Thousand Five Hundred and Forty-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.

6.42538e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007687109731416213

The reciprocal of 642538 in Base 13 Tridecimal.

Palindrome?

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

The number 19660013 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 five hundred and thirty-eight 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-two thousand five hundred and thirty-eight 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-two thousand five hundred and thirty-eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
1901
b3313
One Thousand Nine Hundred and 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

2131 · 10132 · b33131 = 19660013

Base Conversions

The number six hundred and forty-two thousand five hundred and thirty-eight in 35 different bases