The Number

221221

Two Hundred and Twenty-One Thousand Two Hundred and Twenty-One

In Base 20 Vigesimal Is

17d1120

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 Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221218
17d0i20
Two Hundred and Twenty-One Thousand Two Hundred and Eightteen in Base 20 Vigesimal
221219
17d0j20
Two Hundred and Twenty-One Thousand Two Hundred and Nineteen in Base 20 Vigesimal
221220
17d1020
Two Hundred and Twenty-One Thousand Two Hundred and Twenty in Base 20 Vigesimal
221222
17d1220
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-Two in Base 20 Vigesimal
221223
17d1320
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-Three in Base 20 Vigesimal
221224
17d1420
Two Hundred and Twenty-One Thousand Two Hundred and Twenty-Four in Base 20 Vigesimal

Scientific Notation

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

2.21221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000e9617d1a716h20

The reciprocal of 221221 in Base 20 Vigesimal.

Palindrome?

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

The number 17d1120 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 twenty-one is a composite number with 24 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 twenty-one is a composite number with 24 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 twenty-one has the following 4 prime factors:

7
720
Seven in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
17
h20
Seventeen in Base 20 Vigesimal

Prime Factorization

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

7201 · b201 · d202 · h201 = 17d1120

Base Conversions

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