The Number

642042

Six Hundred and Forty-Two Thousand and Forty-Two

In Base 8 Octal Is

23457728

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

642039
23457678
Six Hundred and Forty-Two Thousand and Thirty-Nine in Base 8 Octal
642040
23457708
Six Hundred and Forty-Two Thousand and Forty in Base 8 Octal
642041
23457718
Six Hundred and Forty-Two Thousand and Forty-One in Base 8 Octal
642043
23457738
Six Hundred and Forty-Two Thousand and Forty-Three in Base 8 Octal
642044
23457748
Six Hundred and Forty-Two Thousand and Forty-Four in Base 8 Octal
642045
23457758
Six Hundred and Forty-Two Thousand and Forty-Five in Base 8 Octal

Scientific Notation

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

6.42042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000003210305346317545668

The reciprocal of 642042 in Base 8 Octal.

Palindrome?

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

The number 23457728 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 and forty-two is a composite number with 24 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Six hundred and forty-two thousand and forty-two is a composite number with 24 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 and forty-two has the following 4 prime factors:

2
28
Two in Base 8 Octal
3
38
Three in Base 8 Octal
53
658
Fifty-Three in Base 8 Octal
673
12418
Six Hundred and Seventy-Three in Base 8 Octal

Prime Factorization

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

281 · 382 · 6581 · 124181 = 23457728

Base Conversions

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