The Number

221243

Two Hundred and Twenty-One Thousand Two Hundred and Forty-Three

In Base 18 Octodecimal Is

21gf518

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

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

Nearby Numbers

Positive, nonzero integers within three units

221240
21gf218
Two Hundred and Twenty-One Thousand Two Hundred and Forty in Base 18 Octodecimal
221241
21gf318
Two Hundred and Twenty-One Thousand Two Hundred and Forty-One in Base 18 Octodecimal
221242
21gf418
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Two in Base 18 Octodecimal
221244
21gf618
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Four in Base 18 Octodecimal
221245
21gf718
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Five in Base 18 Octodecimal
221246
21gf818
Two Hundred and Twenty-One Thousand Two Hundred and Forty-Six in Base 18 Octodecimal

Scientific Notation

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

2.21243e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089d359a3b034618

The reciprocal of 221243 in Base 18 Octodecimal.

Palindrome?

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

The number 21gf518 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 two hundred and forty-three is a composite number with 4 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 two hundred and forty-three 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 two hundred and forty-three has the following 2 prime factors:

11
b18
Eleven in Base 18 Octodecimal
20113
381718
Twenty Thousand One Hundred and Thirteen in Base 18 Octodecimal

Prime Factorization

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

b181 · 3817181 = 21gf518

Base Conversions

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