The Number

20491

Twenty Thousand Four Hundred and Ninety-One

In Base 8 Octal Is

500138

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

For more familiar numbers: See Twenty Thousand Four Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20488
500108
Twenty Thousand Four Hundred and Eighty-Eight in Base 8 Octal
20489
500118
Twenty Thousand Four Hundred and Eighty-Nine in Base 8 Octal
20490
500128
Twenty Thousand Four Hundred and Ninety in Base 8 Octal
20492
500148
Twenty Thousand Four Hundred and Ninety-Two in Base 8 Octal
20493
500158
Twenty Thousand Four Hundred and Ninety-Three in Base 8 Octal
20494
500168
Twenty Thousand Four Hundred and Ninety-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.

2.0491e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000014626051732675322248

The reciprocal of 20491 in Base 8 Octal.

Palindrome?

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

The number 500138 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 four hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and ninety-one is a composite number with 4 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 four hundred and ninety-one has the following 2 prime factors:

31
378
Thirty-One in Base 8 Octal
661
12258
Six Hundred and Sixty-One in Base 8 Octal

Prime Factorization

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

3781 · 122581 = 500138

Base Conversions

The number twenty thousand four hundred and ninety-one in 35 different bases