The Number

221009

Two Hundred and Twenty-One Thousand and Nine

In Base 8 Octal Is

6575218

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221006
6575168
Two Hundred and Twenty-One Thousand and Six in Base 8 Octal
221007
6575178
Two Hundred and Twenty-One Thousand and Seven in Base 8 Octal
221008
6575208
Two Hundred and Twenty-One Thousand and Eight in Base 8 Octal
221010
6575228
Two Hundred and Twenty-One Thousand and Ten in Base 8 Octal
221011
6575238
Two Hundred and Twenty-One Thousand and Eleven in Base 8 Octal
221012
6575248
Two Hundred and Twenty-One Thousand and Twelve in Base 8 Octal

Scientific Notation

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

2.21009e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000011372271442700377148

The reciprocal of 221009 in Base 8 Octal.

Palindrome?

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

The number 6575218 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 and nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand and nine 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 and nine has the following 2 prime factors:

29
358
Twenty-Nine in Base 8 Octal
7621
167058
Seven Thousand Six Hundred and Twenty-One in Base 8 Octal

Prime Factorization

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

3581 · 1670581 = 6575218

Base Conversions

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