The Number

42542

Forty-Two Thousand Five Hundred and Forty-Two

In Base 8 Octal Is

1230568

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

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

Nearby Numbers

Positive, nonzero integers within three units

42539
1230538
Forty-Two Thousand Five Hundred and Thirty-Nine in Base 8 Octal
42540
1230548
Forty-Two Thousand Five Hundred and Forty in Base 8 Octal
42541
1230558
Forty-Two Thousand Five Hundred and Forty-One in Base 8 Octal
42543
1230578
Forty-Two Thousand Five Hundred and Forty-Three in Base 8 Octal
42544
1230608
Forty-Two Thousand Five Hundred and Forty-Four in Base 8 Octal
42545
1230618
Forty-Two Thousand Five Hundred 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.

4.2542e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000006122744422234321328

The reciprocal of 42542 in Base 8 Octal.

Palindrome?

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

The number 1230568 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Forty-two thousand five hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Forty-two thousand five hundred and forty-two 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 forty-two thousand five hundred and forty-two has the following 3 prime factors:

2
28
Two in Base 8 Octal
89
1318
Eighty-Nine in Base 8 Octal
239
3578
Two Hundred and Thirty-Nine 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 · 13181 · 35781 = 1230568

Base Conversions

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