The Number

221982

Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two

In Base 21 Unovigesimal Is

12k7c21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221979
12k7921
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
221980
12k7a21
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
221981
12k7b21
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
221983
12k7d21
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
221984
12k7e21
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
221985
12k7f21
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.21982e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i87e13a5h7id21

The reciprocal of 221982 in Base 21 Unovigesimal.

Palindrome?

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

The number 12k7c21 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 nine hundred and eighty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand nine hundred and eighty-two is a composite number with 8 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 nine hundred and eighty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
36997
3kig21
Thirty-Six Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · 3kig211 = 12k7c21

Base Conversions

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