The Number

142821

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

Nearby Numbers

Positive, nonzero integers within three units

142818
One Hundred and Forty-Two Thousand Eight Hundred and Eightteen
142819
One Hundred and Forty-Two Thousand Eight Hundred and Nineteen
142820
One Hundred and Forty-Two Thousand Eight Hundred and Twenty
142822
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Two
142823
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Three
142824
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Four

Scientific Notation

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

1.42821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007001771448176389

The reciprocal of 142821.

Palindrome?

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

The number 142821 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 eight hundred and twenty-one 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 eight hundred and twenty-one 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 eight hundred and twenty-one has the following 3 prime factors:

3
Three
7
Seven
2267
Two Thousand Two Hundred and Sixty-Seven

Prime Factorization

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

32 · 71 · 22671 = 142821

Base Conversions

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