The Number

121815

One Hundred and Twenty-One Thousand Eight Hundred and Fifteen

In Base 12 Duodecimal Is

5a5b312

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

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

Nearby Numbers

Positive, nonzero integers within three units

121812
5a5b012
One Hundred and Twenty-One Thousand Eight Hundred and Twelve in Base 12 Duodecimal
121813
5a5b112
One Hundred and Twenty-One Thousand Eight Hundred and Thirteen in Base 12 Duodecimal
121814
5a5b212
One Hundred and Twenty-One Thousand Eight Hundred and Fourteen in Base 12 Duodecimal
121816
5a5b412
One Hundred and Twenty-One Thousand Eight Hundred and Sixteen in Base 12 Duodecimal
121817
5a5b512
One Hundred and Twenty-One Thousand Eight Hundred and Seventeen in Base 12 Duodecimal
121818
5a5b612
One Hundred and Twenty-One Thousand Eight Hundred and Eightteen in Base 12 Duodecimal

Scientific Notation

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

1.21815e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000206196191673624812

The reciprocal of 121815 in Base 12 Duodecimal.

Palindrome?

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

The number 5a5b312 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 twenty-one thousand eight hundred and fifteen is a composite number with 12 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand eight hundred and fifteen 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 twenty-one thousand eight hundred and fifteen has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
2707
169712
Two Thousand Seven Hundred and Seven in Base 12 Duodecimal

Prime Factorization

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

3122 · 5121 · 1697121 = 5a5b312

Base Conversions

The number one hundred and twenty-one thousand eight hundred and fifteen in 35 different bases