The Number

42381

Forty-Two Thousand Three Hundred and Eighty-One

In Base 8 Octal Is

1226158

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

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

Nearby Numbers

Positive, nonzero integers within three units

42378
1226128
Forty-Two Thousand Three Hundred and Seventy-Eight in Base 8 Octal
42379
1226138
Forty-Two Thousand Three Hundred and Seventy-Nine in Base 8 Octal
42380
1226148
Forty-Two Thousand Three Hundred and Eighty in Base 8 Octal
42382
1226168
Forty-Two Thousand Three Hundred and Eighty-Two in Base 8 Octal
42383
1226178
Forty-Two Thousand Three Hundred and Eighty-Three in Base 8 Octal
42384
1226208
Forty-Two Thousand Three Hundred and Eighty-Four in Base 8 Octal

Scientific Notation

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

4.2381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000006136734764371232148

The reciprocal of 42381 in Base 8 Octal.

Palindrome?

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

The number 1226158 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 three hundred and eighty-one is a composite number with 12 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 three hundred and eighty-one 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 forty-two thousand three hundred and eighty-one has the following 3 prime factors:

3
38
Three in Base 8 Octal
17
218
Seventeen in Base 8 Octal
277
4258
Two Hundred and Seventy-Seven in Base 8 Octal

Prime Factorization

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

382 · 2181 · 42581 = 1226158

Base Conversions

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