The Number

221218

Two Hundred and Twenty-One Thousand Two Hundred and Eightteen

In Base 12 Duodecimal Is

a802a12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221215
a802712
Two Hundred and Twenty-One Thousand Two Hundred and Fifteen in Base 12 Duodecimal
221216
a802812
Two Hundred and Twenty-One Thousand Two Hundred and Sixteen in Base 12 Duodecimal
221217
a802912
Two Hundred and Twenty-One Thousand Two Hundred and Seventeen in Base 12 Duodecimal
221219
a802b12
Two Hundred and Twenty-One Thousand Two Hundred and Nineteen in Base 12 Duodecimal
221220
a803012
Two Hundred and Twenty-One Thousand Two Hundred and Twenty in Base 12 Duodecimal
221221
a803112
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-One in Base 12 Duodecimal

Scientific Notation

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

2.21218e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000115b84b85518384512

The reciprocal of 221218 in Base 12 Duodecimal.

Palindrome?

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

The number a802a12 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 eightteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand two hundred and eightteen 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 thousand two hundred and eightteen has the following 2 prime factors:

2
212
Two in Base 12 Duodecimal
110609
5401512
One Hundred and Ten Thousand Six Hundred and Nine in Base 12 Duodecimal

Prime Factorization

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

2121 · 54015121 = a802a12

Base Conversions

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