The Number

81212

Eighty-One Thousand Two Hundred and Twelve

In Base 20 Vigesimal Is

a30c20

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

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

Nearby Numbers

Positive, nonzero integers within three units

81209
a30920
Eighty-One Thousand Two Hundred and Nine in Base 20 Vigesimal
81210
a30a20
Eighty-One Thousand Two Hundred and Ten in Base 20 Vigesimal
81211
a30b20
Eighty-One Thousand Two Hundred and Eleven in Base 20 Vigesimal
81213
a30d20
Eighty-One Thousand Two Hundred and Thirteen in Base 20 Vigesimal
81214
a30e20
Eighty-One Thousand Two Hundred and Fourteen in Base 20 Vigesimal
81215
a30f20
Eighty-One Thousand Two Hundred and Fifteen in Base 20 Vigesimal

Scientific Notation

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

8.1212e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j814708cjbei20

The reciprocal of 81212 in Base 20 Vigesimal.

Palindrome?

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

The number a30c20 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand two hundred and twelve is a composite number with 12 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand two hundred and twelve is a composite number with 12 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 eighty-one thousand two hundred and twelve has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
79
3j20
Seventy-Nine in Base 20 Vigesimal
257
ch20
Two Hundred and Fifty-Seven in Base 20 Vigesimal

Prime Factorization

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

2202 · 3j201 · ch201 = a30c20

Base Conversions

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