The Number

87221

Eighty-Seven Thousand Two Hundred and Twenty-One

In Base 20 Vigesimal Is

ai1120

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

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

Nearby Numbers

Positive, nonzero integers within three units

87218
ai0i20
Eighty-Seven Thousand Two Hundred and Eightteen in Base 20 Vigesimal
87219
ai0j20
Eighty-Seven Thousand Two Hundred and Nineteen in Base 20 Vigesimal
87220
ai1020
Eighty-Seven Thousand Two Hundred and Twenty in Base 20 Vigesimal
87222
ai1220
Eighty-Seven Thousand Two Hundred and Twenty-Two in Base 20 Vigesimal
87223
ai1320
Eighty-Seven Thousand Two Hundred and Twenty-Three in Base 20 Vigesimal
87224
ai1420
Eighty-Seven 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.

8.7221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001gdf75j08e74e20

The reciprocal of 87221 in Base 20 Vigesimal.

Palindrome?

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

The number ai1120 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-seven thousand two hundred and twenty-one is the 8469th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-Seven Thousand Two Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Eighty-Seven Thousand Two Hundred and Twenty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-seven thousand two hundred and twenty-one has the following 1 prime factor:

87221
ai1120
Eighty-Seven Thousand Two Hundred and Twenty-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

ai11201 = ai1120

Base Conversions

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