The Number

221009

Two Hundred and Twenty-One Thousand and Nine

In Base 12 Duodecimal Is

a7a9512

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

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

Nearby Numbers

Positive, nonzero integers within three units

221006
a7a9212
Two Hundred and Twenty-One Thousand and Six in Base 12 Duodecimal
221007
a7a9312
Two Hundred and Twenty-One Thousand and Seven in Base 12 Duodecimal
221008
a7a9412
Two Hundred and Twenty-One Thousand and Eight in Base 12 Duodecimal
221010
a7a9612
Two Hundred and Twenty-One Thousand and Ten in Base 12 Duodecimal
221011
a7a9712
Two Hundred and Twenty-One Thousand and Eleven in Base 12 Duodecimal
221012
a7a9812
Two Hundred and Twenty-One Thousand and Twelve in Base 12 Duodecimal

Scientific Notation

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

2.21009e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001161657b00731b5412

The reciprocal of 221009 in Base 12 Duodecimal.

Palindrome?

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

The number a7a9512 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 and nine is a composite number with 4 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 and nine is a composite number with 4 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 and nine has the following 2 prime factors:

29
2512
Twenty-Nine in Base 12 Duodecimal
7621
44b112
Seven Thousand Six Hundred and Twenty-One in Base 12 Duodecimal

Prime Factorization

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

25121 · 44b1121 = a7a9512

Base Conversions

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