The Number

161813

One Hundred and Sixty-One Thousand Eight Hundred and Thirteen

In Base 21 Unovigesimal Is

h9j821

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See One Hundred and Sixty-One Thousand Eight Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

161810
h9j521
One Hundred and Sixty-One Thousand Eight Hundred and Ten in Base 21 Unovigesimal
161811
h9j621
One Hundred and Sixty-One Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
161812
h9j721
One Hundred and Sixty-One Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
161814
h9j921
One Hundred and Sixty-One Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
161815
h9ja21
One Hundred and Sixty-One Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal
161816
h9jb21
One Hundred and Sixty-One Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

1.61813e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001450e581b244i21

The reciprocal of 161813 in Base 21 Unovigesimal.

Palindrome?

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

The number h9j821 is not a palindrome.

Not A Prime Number

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

One hundred and sixty-one thousand eight hundred and thirteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-one thousand eight hundred and thirteen 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 one hundred and sixty-one thousand eight hundred and thirteen has the following 2 prime factors:

103
4j21
One Hundred and Three in Base 21 Unovigesimal
1571
3bh21
One Thousand Five Hundred and Seventy-One in Base 21 Unovigesimal

Prime Factorization

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

4j211 · 3bh211 = h9j821

Base Conversions

The number one hundred and sixty-one thousand eight hundred and thirteen in 35 different bases