The Number

121

One Hundred and Twenty-One

In Base 12 Duodecimal Is

a112

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

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

Nearby Numbers

Positive, nonzero integers within three units

118
9a12
One Hundred and Eightteen in Base 12 Duodecimal
119
9b12
One Hundred and Nineteen in Base 12 Duodecimal
120
a012
One Hundred and Twenty in Base 12 Duodecimal
122
a212
One Hundred and Twenty-Two in Base 12 Duodecimal
123
a312
One Hundred and Twenty-Three in Base 12 Duodecimal
124
a412
One Hundred and Twenty-Four in Base 12 Duodecimal

Scientific Notation

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

1.21e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0123456789b01234612

The reciprocal of 121 in Base 12 Duodecimal.

Palindrome?

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

The number a112 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 is a composite number with 3 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 is a composite number with 3 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 has the following 1 prime factor:

11
b12
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

b122 = a112

Base Conversions

The number one hundred and twenty-one in 35 different bases