The Number

221405

Two Hundred and Twenty-One Thousand Four Hundred and Five

In Base 12 Duodecimal Is

a816512

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

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

Nearby Numbers

Positive, nonzero integers within three units

221402
a816212
Two Hundred and Twenty-One Thousand Four Hundred and Two in Base 12 Duodecimal
221403
a816312
Two Hundred and Twenty-One Thousand Four Hundred and Three in Base 12 Duodecimal
221404
a816412
Two Hundred and Twenty-One Thousand Four Hundred and Four in Base 12 Duodecimal
221406
a816612
Two Hundred and Twenty-One Thousand Four Hundred and Six in Base 12 Duodecimal
221407
a816712
Two Hundred and Twenty-One Thousand Four Hundred and Seven in Base 12 Duodecimal
221408
a816812
Two Hundred and Twenty-One Thousand Four Hundred and Eight in Base 12 Duodecimal

Scientific Notation

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

2.21405e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000115a086ab5393812

The reciprocal of 221405 in Base 12 Duodecimal.

Palindrome?

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

The number a816512 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 four hundred and five 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 four hundred and five 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 four hundred and five has the following 2 prime factors:

5
512
Five in Base 12 Duodecimal
44281
2176112
Forty-Four Thousand Two Hundred and Eighty-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

5121 · 21761121 = a816512

Base Conversions

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