The Number

221312

Two Hundred and Twenty-One Thousand Three Hundred and Twelve

In Base 18 Octodecimal Is

21h1218

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221309
21h0h18
Two Hundred and Twenty-One Thousand Three Hundred and Nine in Base 18 Octodecimal
221310
21h1018
Two Hundred and Twenty-One Thousand Three Hundred and Ten in Base 18 Octodecimal
221311
21h1118
Two Hundred and Twenty-One Thousand Three Hundred and Eleven in Base 18 Octodecimal
221313
21h1318
Two Hundred and Twenty-One Thousand Three Hundred and Thirteen in Base 18 Octodecimal
221314
21h1418
Two Hundred and Twenty-One Thousand Three Hundred and Fourteen in Base 18 Octodecimal
221315
21h1518
Two Hundred and Twenty-One Thousand Three Hundred and Fifteen in Base 18 Octodecimal

Scientific Notation

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

2.21312e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089c5e00d8f88518

The reciprocal of 221312 in Base 18 Octodecimal.

Palindrome?

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

The number 21h1218 is 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 twelve is a composite number with 64 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand three hundred and twelve is a composite number with 64 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 twelve has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal

Prime Factorization

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

2187 · 7181 · d181 · 11181 = 21h1218

Base Conversions

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