The Number

221397

Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Seven

In Base 21 Unovigesimal Is

12j0f21

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 Ninety-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221394
12j0c21
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Four in Base 21 Unovigesimal
221395
12j0d21
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Five in Base 21 Unovigesimal
221396
12j0e21
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Six in Base 21 Unovigesimal
221398
12j0g21
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Eight in Base 21 Unovigesimal
221399
12j0h21
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
221400
12j0i21
Two Hundred and Twenty-One Thousand Four Hundred in Base 21 Unovigesimal

Scientific Notation

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

2.21397e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i9825edghck721

The reciprocal of 221397 in Base 21 Unovigesimal.

Palindrome?

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

The number 12j0f21 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 ninety-seven 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 ninety-seven 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 ninety-seven has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
6709
f4a21
Six Thousand Seven Hundred and Nine 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 · b211 · f4a211 = 12j0f21

Base Conversions

The number two hundred and twenty-one thousand three hundred and ninety-seven in 35 different bases