The Number

405242

Four Hundred and Five Thousand Two Hundred and Forty-Two

Nearby Numbers

Positive, nonzero integers within three units

405239
Four Hundred and Five Thousand Two Hundred and Thirty-Nine
405240
Four Hundred and Five Thousand Two Hundred and Forty
405241
Four Hundred and Five Thousand Two Hundred and Forty-One
405243
Four Hundred and Five Thousand Two Hundred and Forty-Three
405244
Four Hundred and Five Thousand Two Hundred and Forty-Four
405245
Four Hundred and Five Thousand Two Hundred and Forty-Five

Scientific Notation

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

4.05242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000024676612986807884

The reciprocal of 405242.

Palindrome?

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

The number 405242 is not a palindrome.

Not A Prime Number

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

Four hundred and five thousand two hundred and forty-two 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.

Four hundred and five thousand two hundred and forty-two 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 four hundred and five thousand two hundred and forty-two has the following 2 prime factors:

2
Two
202621
Two Hundred and Two Thousand Six Hundred and Twenty-One

Prime Factorization

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

21 · 2026211 = 405242

Base Conversions

The number four hundred and five thousand two hundred and forty-two in 35 different bases