The Number

161812

One Hundred and Sixty-One Thousand Eight Hundred and Twelve

In Base 21 Unovigesimal Is

h9j721

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 Twelve in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

161809
h9j421
One Hundred and Sixty-One Thousand Eight Hundred and Nine in Base 21 Unovigesimal
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
161813
h9j821
One Hundred and Sixty-One Thousand Eight Hundred and Thirteen 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

Scientific Notation

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

1.61812e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001450fef29262h21

The reciprocal of 161812 in Base 21 Unovigesimal.

Palindrome?

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

The number h9j721 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 twelve is a composite number with 12 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 twelve 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 one hundred and sixty-one thousand eight hundred and twelve has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
5779
d2421
Five Thousand Seven Hundred and Seventy-Nine in Base 21 Unovigesimal

Prime Factorization

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

2212 · 7211 · d24211 = h9j721

Base Conversions

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