The Number

20121

Twenty Thousand One Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

20118
Twenty Thousand One Hundred and Eightteen
20119
Twenty Thousand One Hundred and Nineteen
20120
Twenty Thousand One Hundred and Twenty
20122
Twenty Thousand One Hundred and Twenty-Two
20123
Twenty Thousand One Hundred and Twenty-Three
20124
Twenty Thousand One Hundred and Twenty-Four

Scientific Notation

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

2.0121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004969931911932806

The reciprocal of 20121.

Palindrome?

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

The number 20121 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand one hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and twenty-one 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 twenty thousand one hundred and twenty-one has the following 3 prime factors:

3
Three
19
Nineteen
353
Three Hundred and Fifty-Three

Prime Factorization

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

31 · 191 · 3531 = 20121

Base Conversions

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