Nearby Numbers

Positive, nonzero integers within three units

42039

Forty-Two Thousand and Thirty-Nine

42040

Forty-Two Thousand and Forty

42041

Forty-Two Thousand and Forty-One

42043

Forty-Two Thousand and Forty-Three

42044

Forty-Two Thousand and Forty-Four

42045

Forty-Two Thousand and Forty-Five

Scientific Notation

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

4.2042e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023785738071452358

The reciprocal of 42042.

Palindrome?

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

The number 42042 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 and forty-two is a composite number with 48 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 and forty-two is a composite number with 48 total factors (including 1 and itself).

Prime Factors

2

Two

3

Three

7

Seven

11

Eleven

13

Thirteen

Prime Factorization

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

21 · 31 · 72 · 111 · 131 = 42042

Base Conversions

The number forty-two thousand and forty-two in 35 different bases