The Number

121515

One Hundred and Twenty-One Thousand Five Hundred and Fifteen

In Base 18 Octodecimal Is

12f0f18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121512
12f0c18
One Hundred and Twenty-One Thousand Five Hundred and Twelve in Base 18 Octodecimal
121513
12f0d18
One Hundred and Twenty-One Thousand Five Hundred and Thirteen in Base 18 Octodecimal
121514
12f0e18
One Hundred and Twenty-One Thousand Five Hundred and Fourteen in Base 18 Octodecimal
121516
12f0g18
One Hundred and Twenty-One Thousand Five Hundred and Sixteen in Base 18 Octodecimal
121517
12f0h18
One Hundred and Twenty-One Thousand Five Hundred and Seventeen in Base 18 Octodecimal
121518
12f1018
One Hundred and Twenty-One Thousand Five Hundred and Eightteen in Base 18 Octodecimal

Scientific Notation

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

1.21515e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f9g41404585ee18

The reciprocal of 121515 in Base 18 Octodecimal.

Palindrome?

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

The number 12f0f18 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 five hundred and fifteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand five hundred and fifteen is a composite number with 8 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 five hundred and fifteen has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
8101
170118
Eight Thousand One Hundred and One in Base 18 Octodecimal

Prime Factorization

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

3181 · 5181 · 1701181 = 12f0f18

Base Conversions

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