The Number

221218

Two Hundred and Twenty-One Thousand Two Hundred and Eightteen

In Base 31 Untrigesimal Is

7d6231

The numbers with a 31 subscript use Base 31 Untrigesimal 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
7d5u31
Two Hundred and Twenty-One Thousand Two Hundred and Fifteen in Base 31 Untrigesimal
221216
7d6031
Two Hundred and Twenty-One Thousand Two Hundred and Sixteen in Base 31 Untrigesimal
221217
7d6131
Two Hundred and Twenty-One Thousand Two Hundred and Seventeen in Base 31 Untrigesimal
221219
7d6331
Two Hundred and Twenty-One Thousand Two Hundred and Nineteen in Base 31 Untrigesimal
221220
7d6431
Two Hundred and Twenty-One Thousand Two Hundred and Twenty in Base 31 Untrigesimal
221221
7d6531
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-One in Base 31 Untrigesimal

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.

0.00045crobc0op231

The reciprocal of 221218 in Base 31 Untrigesimal.

Palindrome?

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

The number 7d6231 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 31 Untrigesimal

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
231
Two in Base 31 Untrigesimal
110609
3m3131
One Hundred and Ten Thousand Six Hundred and Nine in Base 31 Untrigesimal

Prime Factorization

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

2311 · 3m31311 = 7d6231

Base Conversions

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