The Number

121668

One Hundred and Twenty-One Thousand Six Hundred and Sixty-Eight

In Base 18 Octodecimal Is

12f9618

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

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

Nearby Numbers

Positive, nonzero integers within three units

121665
12f9318
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Five in Base 18 Octodecimal
121666
12f9418
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Six in Base 18 Octodecimal
121667
12f9518
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Seven in Base 18 Octodecimal
121669
12f9718
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Nine in Base 18 Octodecimal
121670
12f9818
One Hundred and Twenty-One Thousand Six Hundred and Seventy in Base 18 Octodecimal
121671
12f9918
One Hundred and Twenty-One Thousand Six Hundred and Seventy-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.

1.21668e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f99g086cbh93218

The reciprocal of 121668 in Base 18 Octodecimal.

Palindrome?

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

The number 12f9618 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 six hundred and sixty-eight is a composite number with 12 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 six hundred and sixty-eight 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 six hundred and sixty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
10139
1d5518
Ten Thousand One Hundred and Thirty-Nine in Base 18 Octodecimal

Prime Factorization

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

2182 · 3181 · 1d55181 = 12f9618

Base Conversions

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