The Number

1421

One Thousand Four Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

1418
One Thousand Four Hundred and Eightteen
1419
One Thousand Four Hundred and Nineteen
1420
One Thousand Four Hundred and Twenty
1422
One Thousand Four Hundred and Twenty-Two
1423
One Thousand Four Hundred and Twenty-Three
1424
One Thousand Four Hundred and Twenty-Four

Scientific Notation

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

1.421e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0007037297677691766

The reciprocal of 1421.

Palindrome?

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

The number 1421 is not a palindrome.

Not A Prime Number

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

One thousand four hundred and twenty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One thousand four hundred and twenty-one is a composite number with 6 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 thousand four hundred and twenty-one has the following 2 prime factors:

7
Seven
29
Twenty-Nine

Prime Factorization

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

72 · 291 = 1421

Base Conversions

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