The Number

221220

Two Hundred and Twenty-One Thousand Two Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

221217
Two Hundred and Twenty-One Thousand Two Hundred and Seventeen
221218
Two Hundred and Twenty-One Thousand Two Hundred and Eightteen
221219
Two Hundred and Twenty-One Thousand Two Hundred and Nineteen
221221
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-One
221222
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-Two
221223
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-Three

Scientific Notation

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

2.21220e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000045203869451225025

The reciprocal of 221220.

Palindrome?

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

The number 221220 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand two hundred and twenty is a composite number with 36 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand two hundred and twenty is a composite number with 36 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 two hundred and twenty-one thousand two hundred and twenty has the following 4 prime factors:

2
Two
3
Three
5
Five
1229
One Thousand Two Hundred and Twenty-Nine

Prime Factorization

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

22 · 32 · 51 · 12291 = 221220

Base Conversions

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