The Number

221

Two Hundred and Twenty-One

In Base 17 Septendecimal Is

d017

The numbers with a 17 subscript use Base 17 Septendecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

218
ce17
Two Hundred and Eightteen in Base 17 Septendecimal
219
cf17
Two Hundred and Nineteen in Base 17 Septendecimal
220
cg17
Two Hundred and Twenty in Base 17 Septendecimal
222
d117
Two Hundred and Twenty-Two in Base 17 Septendecimal
223
d217
Two Hundred and Twenty-Three in Base 17 Septendecimal
224
d317
Two Hundred and Twenty-Four in Base 17 Septendecimal

Scientific Notation

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

2.21e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0153fbd153fbd1517

The reciprocal of 221 in Base 17 Septendecimal.

Palindrome?

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

The number d017 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 is a composite number with 4 total factors (including 1 and itself).   See primes in Base 17 Septendecimal

A Composite

Composites have more than just these two factors.

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

13
d17
Thirteen in Base 17 Septendecimal
17
1017
Seventeen in Base 17 Septendecimal

Prime Factorization

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

d171 · 10171 = d017

Base Conversions

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