The Number

21151

Twenty-One Thousand One Hundred and Fifty-One

Nearby Numbers

Positive, nonzero integers within three units

21148
Twenty-One Thousand One Hundred and Forty-Eight
21149
Twenty-One Thousand One Hundred and Forty-Nine
21150
Twenty-One Thousand One Hundred and Fifty
21152
Twenty-One Thousand One Hundred and Fifty-Two
21153
Twenty-One Thousand One Hundred and Fifty-Three
21154
Twenty-One Thousand One Hundred and Fifty-Four

Scientific Notation

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

2.1151e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004727908845917451

The reciprocal of 21151.

Palindrome?

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

The number 21151 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and fifty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and fifty-one is a composite number with 4 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-one thousand one hundred and fifty-one has the following 2 prime factors:

13
Thirteen
1627
One Thousand Six Hundred and Twenty-Seven

Prime Factorization

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

131 · 16271 = 21151

Base Conversions

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