The Number

21147

Twenty-One Thousand One Hundred and Forty-Seven

Nearby Numbers

Positive, nonzero integers within three units

21144
Twenty-One Thousand One Hundred and Forty-Four
21145
Twenty-One Thousand One Hundred and Forty-Five
21146
Twenty-One Thousand One Hundred and Forty-Six
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

Scientific Notation

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

2.1147e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004728803139925285

The reciprocal of 21147.

Palindrome?

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

The number 21147 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 forty-seven is a composite number with 16 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 forty-seven is a composite number with 16 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 forty-seven has the following 4 prime factors:

3
Three
7
Seven
19
Nineteen
53
Fifty-Three

Prime Factorization

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

31 · 71 · 191 · 531 = 21147

Base Conversions

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