The Number

221666

Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Six

In Base 12 Duodecimal Is

a834212

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221663
a833b12
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Three in Base 12 Duodecimal
221664
a834012
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Four in Base 12 Duodecimal
221665
a834112
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Five in Base 12 Duodecimal
221667
a834312
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Seven in Base 12 Duodecimal
221668
a834412
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Eight in Base 12 Duodecimal
221669
a834512
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Nine in Base 12 Duodecimal

Scientific Notation

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

2.21666e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001157933661a1b50712

The reciprocal of 221666 in Base 12 Duodecimal.

Palindrome?

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

The number a834212 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 six hundred and sixty-six 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 six hundred and sixty-six 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 six hundred and sixty-six has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
137
b512
One Hundred and Thirty-Seven in Base 12 Duodecimal
809
57512
Eight 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

2121 · b5121 · 575121 = a834212

Base Conversions

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