The Number

220690

Two Hundred and Twenty Thousand Six Hundred and Ninety

In Base 21 Unovigesimal Is

12h9121

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Two Hundred and Twenty Thousand Six Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

220687
12h8j21
Two Hundred and Twenty Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
220688
12h8k21
Two Hundred and Twenty Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
220689
12h9021
Two Hundred and Twenty Thousand Six Hundred and Eighty-Nine in Base 21 Unovigesimal
220691
12h9221
Two Hundred and Twenty Thousand Six Hundred and Ninety-One in Base 21 Unovigesimal
220692
12h9321
Two Hundred and Twenty Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal
220693
12h9421
Two Hundred and Twenty Thousand Six Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

2.20690e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000iad3bhc74c8h21

The reciprocal of 220690 in Base 21 Unovigesimal.

Palindrome?

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

The number 12h9121 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 thousand six hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty thousand six hundred and ninety is a composite number with 16 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 thousand six hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
761
1f521
Seven Hundred and Sixty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 5211 · 18211 · 1f5211 = 12h9121

Base Conversions

The number two hundred and twenty thousand six hundred and ninety in 35 different bases