The Number

42978

Forty-Two Thousand Nine Hundred and Seventy-Eight

Nearby Numbers

Positive, nonzero integers within three units

42975
Forty-Two Thousand Nine Hundred and Seventy-Five
42976
Forty-Two Thousand Nine Hundred and Seventy-Six
42977
Forty-Two Thousand Nine Hundred and Seventy-Seven
42979
Forty-Two Thousand Nine Hundred and Seventy-Nine
42980
Forty-Two Thousand Nine Hundred and Eighty
42981
Forty-Two Thousand Nine Hundred and Eighty-One

Scientific Notation

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

4.2978e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002326771836753688

The reciprocal of 42978.

Palindrome?

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

The number 42978 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 seventy-eight is a composite number with 32 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 seventy-eight is a composite number with 32 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 seventy-eight has the following 5 prime factors:

2
Two
3
Three
13
Thirteen
19
Nineteen
29
Twenty-Nine

Prime Factorization

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

21 · 31 · 131 · 191 · 291 = 42978

Base Conversions

The number forty-two thousand nine hundred and seventy-eight in 35 different bases