The Number

221379

Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Nine

In Base 21 Unovigesimal Is

12iki21

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

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

Nearby Numbers

Positive, nonzero integers within three units

221376
12ikf21
Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Six in Base 21 Unovigesimal
221377
12ikg21
Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Seven in Base 21 Unovigesimal
221378
12ikh21
Two Hundred and Twenty-One Thousand Three Hundred and Seventy-Eight in Base 21 Unovigesimal
221380
12ikj21
Two Hundred and Twenty-One Thousand Three Hundred and Eighty in Base 21 Unovigesimal
221381
12ikk21
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-One in Base 21 Unovigesimal
221382
12j0021
Two Hundred and Twenty-One Thousand Three Hundred and Eighty-Two in Base 21 Unovigesimal

Scientific Notation

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

2.21379e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i98g387k729f21

The reciprocal of 221379 in Base 21 Unovigesimal.

Palindrome?

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

The number 12iki21 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 three hundred and seventy-nine 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 three hundred and seventy-nine 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 three hundred and seventy-nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
109
5421
One Hundred and Nine in Base 21 Unovigesimal
677
1b521
Six Hundred and Seventy-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

3211 · 54211 · 1b5211 = 12iki21

Base Conversions

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