The Number

121518

One Hundred and Twenty-One Thousand Five Hundred and Eightteen

In Base 18 Octodecimal Is

12f1018

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 Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121515
12f0f18
One Hundred and Twenty-One Thousand Five Hundred and Fifteen 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
121519
12f1118
One Hundred and Twenty-One Thousand Five Hundred and Nineteen in Base 18 Octodecimal
121520
12f1218
One Hundred and Twenty-One Thousand Five Hundred and Twenty in Base 18 Octodecimal
121521
12f1318
One Hundred and Twenty-One Thousand Five Hundred and Twenty-One in Base 18 Octodecimal

Scientific Notation

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

1.21518e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f9g1egb1bcd4e18

The reciprocal of 121518 in Base 18 Octodecimal.

Palindrome?

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

The number 12f1018 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 eightteen is a composite number with 24 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 eightteen is a composite number with 24 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 eightteen has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal
157
8d18
One Hundred and Fifty-Seven in Base 18 Octodecimal

Prime Factorization

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

2181 · 3182 · 27181 · 8d181 = 12f1018

Base Conversions

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