The Number

221309

Two Hundred and Twenty-One Thousand Three Hundred and Nine

In Base 18 Octodecimal Is

21h0h18

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 Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221306
21h0e18
Two Hundred and Twenty-One Thousand Three Hundred and Six in Base 18 Octodecimal
221307
21h0f18
Two Hundred and Twenty-One Thousand Three Hundred and Seven in Base 18 Octodecimal
221308
21h0g18
Two Hundred and Twenty-One Thousand Three Hundred and Eight 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
221312
21h1218
Two Hundred and Twenty-One Thousand Three Hundred and Twelve in Base 18 Octodecimal

Scientific Notation

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

2.21309e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089c682d5423fd18

The reciprocal of 221309 in Base 18 Octodecimal.

Palindrome?

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

The number 21h0h18 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 nine is a composite number with 12 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 nine is a composite number with 12 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 nine has the following 3 prime factors:

11
b18
Eleven in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
59
3518
Fifty-Nine in Base 18 Octodecimal

Prime Factorization

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

b182 · 1d181 · 35181 = 21h0h18

Base Conversions

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