The Number

42921

Forty-Two Thousand Nine Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

42918
Forty-Two Thousand Nine Hundred and Eightteen
42919
Forty-Two Thousand Nine Hundred and Nineteen
42920
Forty-Two Thousand Nine Hundred and Twenty
42922
Forty-Two Thousand Nine Hundred and Twenty-Two
42923
Forty-Two Thousand Nine Hundred and Twenty-Three
42924
Forty-Two Thousand Nine Hundred and Twenty-Four

Scientific Notation

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

4.2921e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023298618391929358

The reciprocal of 42921.

Palindrome?

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

The number 42921 is not a palindrome.

Not A Prime Number

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

Forty-two thousand nine hundred and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty-two thousand nine hundred and twenty-one is a composite number with 12 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 forty-two thousand nine hundred and twenty-one has the following 3 prime factors:

3
Three
19
Nineteen
251
Two Hundred and Fifty-One

Prime Factorization

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

32 · 191 · 2511 = 42921

Base Conversions

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