The Number

221280

Two Hundred and Twenty-One Thousand Two Hundred and Eighty

In Base 20 Vigesimal Is

17d4020

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221277
17d3h20
Two Hundred and Twenty-One Thousand Two Hundred and Seventy-Seven in Base 20 Vigesimal
221278
17d3i20
Two Hundred and Twenty-One Thousand Two Hundred and Seventy-Eight in Base 20 Vigesimal
221279
17d3j20
Two Hundred and Twenty-One Thousand Two Hundred and Seventy-Nine in Base 20 Vigesimal
221281
17d4120
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-One in Base 20 Vigesimal
221282
17d4220
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-Two in Base 20 Vigesimal
221283
17d4320
Two Hundred and Twenty-One Thousand Two Hundred and Eighty-Three in Base 20 Vigesimal

Scientific Notation

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

2.21280e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000e94aab2e1e2ba20

The reciprocal of 221280 in Base 20 Vigesimal.

Palindrome?

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

The number 17d4020 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 eighty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand two hundred and eighty is a composite number with 48 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 eighty has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
461
13120
Four Hundred and Sixty-One in Base 20 Vigesimal

Prime Factorization

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

2205 · 3201 · 5201 · 131201 = 17d4020

Base Conversions

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