The Number

20842

Twenty Thousand Eight Hundred and Forty-Two

In Base 8 Octal Is

505528

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

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

Nearby Numbers

Positive, nonzero integers within three units

20839
505478
Twenty Thousand Eight Hundred and Thirty-Nine in Base 8 Octal
20840
505508
Twenty Thousand Eight Hundred and Forty in Base 8 Octal
20841
505518
Twenty Thousand Eight Hundred and Forty-One in Base 8 Octal
20843
505538
Twenty Thousand Eight Hundred and Forty-Three in Base 8 Octal
20844
505548
Twenty Thousand Eight Hundred and Forty-Four in Base 8 Octal
20845
505558
Twenty Thousand Eight 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.

2.0842e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001444761320667335428

The reciprocal of 20842 in Base 8 Octal.

Palindrome?

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

The number 505528 is not a palindrome.

Not A Prime Number

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

Twenty thousand eight 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.

Twenty thousand eight 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 twenty thousand eight hundred and forty-two has the following 3 prime factors:

2
28
Two in Base 8 Octal
17
218
Seventeen in Base 8 Octal
613
11458
Six Hundred and Thirteen 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 · 2181 · 114581 = 505528

Base Conversions

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