The Number

221397

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

In Base 12 Duodecimal Is

a815912

The numbers with a 12 subscript use Base 12 Duodecimal 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
a815612
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Four in Base 12 Duodecimal
221395
a815712
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Five in Base 12 Duodecimal
221396
a815812
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Six in Base 12 Duodecimal
221398
a815a12
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Eight in Base 12 Duodecimal
221399
a815b12
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Nine in Base 12 Duodecimal
221400
a816012
Two Hundred and Twenty-One Thousand Four Hundred in Base 12 Duodecimal

Scientific Notation

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

2.21397e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000115a168211b6162a12

The reciprocal of 221397 in Base 12 Duodecimal.

Palindrome?

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

The number a815912 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 12 Duodecimal

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
312
Three in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
6709
3a7112
Six Thousand Seven 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

3121 · b121 · 3a71121 = a815912

Base Conversions

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