The Number

142639

One Hundred and Forty-Two Thousand Six Hundred and Thirty-Nine

Nearby Numbers

Positive, nonzero integers within three units

142636
One Hundred and Forty-Two Thousand Six Hundred and Thirty-Six
142637
One Hundred and Forty-Two Thousand Six Hundred and Thirty-Seven
142638
One Hundred and Forty-Two Thousand Six Hundred and Thirty-Eight
142640
One Hundred and Forty-Two Thousand Six Hundred and Forty
142641
One Hundred and Forty-Two Thousand Six Hundred and Forty-One
142642
One Hundred and Forty-Two Thousand Six Hundred and Forty-Two

Scientific Notation

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

1.42639e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007010705347064968

The reciprocal of 142639.

Palindrome?

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

The number 142639 is not a palindrome.

Not A Prime Number

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

One hundred and forty-two thousand six hundred and thirty-nine 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.

One hundred and forty-two thousand six hundred and thirty-nine 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 one hundred and forty-two thousand six hundred and thirty-nine has the following 3 prime factors:

7
Seven
41
Forty-One
71
Seventy-One

Prime Factorization

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

72 · 411 · 711 = 142639

Base Conversions

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