The Number

221

Two Hundred and Twenty-One

In Base 3 Ternary Is

220123

The numbers with a 3 subscript use Base 3 Ternary notation.

For more familiar numbers: See Two Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

218
220023
Two Hundred and Eightteen in Base 3 Ternary
219
220103
Two Hundred and Nineteen in Base 3 Ternary
220
220113
Two Hundred and Twenty in Base 3 Ternary
222
220203
Two Hundred and Twenty-Two in Base 3 Ternary
223
220213
Two Hundred and Twenty-Three in Base 3 Ternary
224
220223
Two Hundred and Twenty-Four in Base 3 Ternary

Scientific Notation

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

2.21e2

Reciprocal

A number multiplied with its reciprocal is one.

0.000010022001201011212221112102020110223

The reciprocal of 221 in Base 3 Ternary.

Palindrome?

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

The number 220123 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 is a composite number with 4 total factors (including 1 and itself).   See primes in Base 3 Ternary

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one is a composite number with 4 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 has the following 2 prime factors:

13
1113
Thirteen in Base 3 Ternary
17
1223
Seventeen in Base 3 Ternary

Prime Factorization

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

11131 · 12231 = 220123

Base Conversions

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