The Number

121665

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

In Base 12 Duodecimal Is

5a4a912

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

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

Nearby Numbers

Positive, nonzero integers within three units

121662
5a4a612
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Two in Base 12 Duodecimal
121663
5a4a712
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Three in Base 12 Duodecimal
121664
5a4a812
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Four in Base 12 Duodecimal
121666
5a4aa12
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Six in Base 12 Duodecimal
121667
5a4ab12
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Seven in Base 12 Duodecimal
121668
5a4b012
One Hundred and Twenty-One Thousand Six Hundred and Sixty-Eight in Base 12 Duodecimal

Scientific Notation

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

1.21665e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000206618993349b5b512

The reciprocal of 121665 in Base 12 Duodecimal.

Palindrome?

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

The number 5a4a912 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-five is a composite number with 8 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 six hundred and sixty-five 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 six hundred and sixty-five has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
8111
483b12
Eight Thousand One Hundred and Eleven in Base 12 Duodecimal

Prime Factorization

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

3121 · 5121 · 483b121 = 5a4a912

Base Conversions

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