The Number

491561

Four Hundred and Ninety-One Thousand Five Hundred and Sixty-One

In Base 12 Duodecimal Is

1b857512

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

491558
1b857212
Four Hundred and Ninety-One Thousand Five Hundred and Fifty-Eight in Base 12 Duodecimal
491559
1b857312
Four Hundred and Ninety-One Thousand Five Hundred and Fifty-Nine in Base 12 Duodecimal
491560
1b857412
Four Hundred and Ninety-One Thousand Five Hundred and Sixty in Base 12 Duodecimal
491562
1b857612
Four Hundred and Ninety-One Thousand Five Hundred and Sixty-Two in Base 12 Duodecimal
491563
1b857712
Four Hundred and Ninety-One Thousand Five Hundred and Sixty-Three in Base 12 Duodecimal
491564
1b857812
Four Hundred and Ninety-One Thousand Five Hundred and Sixty-Four in Base 12 Duodecimal

Scientific Notation

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

4.91561e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000060a88839669227512

The reciprocal of 491561 in Base 12 Duodecimal.

Palindrome?

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

The number 1b857512 is not a palindrome.

Not A Prime Number

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

Four hundred and ninety-one thousand five hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Four hundred and ninety-one thousand five hundred and sixty-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 four hundred and ninety-one thousand five hundred and sixty-one has the following 2 prime factors:

7
712
Seven in Base 12 Duodecimal
70223
3477b12
Seventy Thousand Two Hundred and Twenty-Three in Base 12 Duodecimal

Prime Factorization

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

7121 · 3477b121 = 1b857512

Base Conversions

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