The Number

13121

Thirteen Thousand One Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

13118
Thirteen Thousand One Hundred and Eightteen
13119
Thirteen Thousand One Hundred and Nineteen
13120
Thirteen Thousand One Hundred and Twenty
13122
Thirteen Thousand One Hundred and Twenty-Two
13123
Thirteen Thousand One Hundred and Twenty-Three
13124
Thirteen 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.

1.3121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007621370322383964

The reciprocal of 13121.

Palindrome?

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

The number 13121 is not a palindrome.

A Prime Number

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

Thirteen thousand one hundred and twenty-one is the 1561st prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Thirteen Thousand One Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Thirteen Thousand One Hundred and Twenty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number thirteen thousand one hundred and twenty-one has the following 1 prime factor:

13121
Thirteen Thousand One Hundred and Twenty-One

Prime Factorization

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

131211 = 13121

Base Conversions

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