The Number

642381

Six Hundred and Forty-Two Thousand Three Hundred and Eighty-One

In Base 13 Tridecimal Is

19650c13

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

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

Nearby Numbers

Positive, nonzero integers within three units

642378
19650913
Six Hundred and Forty-Two Thousand Three Hundred and Seventy-Eight in Base 13 Tridecimal
642379
19650a13
Six Hundred and Forty-Two Thousand Three Hundred and Seventy-Nine in Base 13 Tridecimal
642380
19650b13
Six Hundred and Forty-Two Thousand Three Hundred and Eighty in Base 13 Tridecimal
642382
19651013
Six Hundred and Forty-Two Thousand Three Hundred and Eighty-Two in Base 13 Tridecimal
642383
19651113
Six Hundred and Forty-Two Thousand Three Hundred and Eighty-Three in Base 13 Tridecimal
642384
19651213
Six Hundred and Forty-Two Thousand Three 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.

6.42381e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000768b16564631c413

The reciprocal of 642381 in Base 13 Tridecimal.

Palindrome?

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

The number 19650c13 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 three hundred and eighty-one 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-two thousand three hundred and eighty-one 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-two thousand three hundred and eighty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
233
14c13
Two Hundred and Thirty-Three in Base 13 Tridecimal
919
55913
Nine Hundred and Nineteen in Base 13 Tridecimal

Prime Factorization

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

3131 · 14c131 · 559131 = 19650c13

Base Conversions

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