The Number

221977

Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Seven

In Base 18 Octodecimal Is

2212118

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

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

Nearby Numbers

Positive, nonzero integers within three units

221974
2211g18
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Four in Base 18 Octodecimal
221975
2211h18
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Five in Base 18 Octodecimal
221976
2212018
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Six in Base 18 Octodecimal
221978
2212218
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 18 Octodecimal
221979
2212318
Two Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 18 Octodecimal
221980
2212418
Two Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 18 Octodecimal

Scientific Notation

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

2.21977e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008940ag2dh120418

The reciprocal of 221977 in Base 18 Octodecimal.

Palindrome?

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

The number 2212118 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 nine hundred and seventy-seven is a composite number with 8 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 nine hundred and seventy-seven is a composite number with 8 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 nine hundred and seventy-seven has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
19
1118
Nineteen in Base 18 Octodecimal
1669
52d18
One Thousand Six Hundred and Sixty-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

7181 · 11181 · 52d181 = 2212118

Base Conversions

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