The Number

142121

One Hundred and Forty-Two Thousand One Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

142118
One Hundred and Forty-Two Thousand One Hundred and Eightteen
142119
One Hundred and Forty-Two Thousand One Hundred and Nineteen
142120
One Hundred and Forty-Two Thousand One Hundred and Twenty
142122
One Hundred and Forty-Two Thousand One Hundred and Twenty-Two
142123
One Hundred and Forty-Two Thousand One Hundred and Twenty-Three
142124
One Hundred and Forty-Two Thousand One Hundred and Twenty-Four

Scientific Notation

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

1.42121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007036257836632166

The reciprocal of 142121.

Palindrome?

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

The number 142121 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 one hundred and twenty-one is a composite number with 8 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 one hundred and twenty-one is a composite number with 8 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 one hundred and twenty-one has the following 3 prime factors:

7
Seven
79
Seventy-Nine
257
Two Hundred and Fifty-Seven

Prime Factorization

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

71 · 791 · 2571 = 142121

Base Conversions

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