The Number

81242

Eighty-One Thousand Two Hundred and Forty-Two

In Base 20 Vigesimal Is

a32220

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

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

Nearby Numbers

Positive, nonzero integers within three units

81239
a31j20
Eighty-One Thousand Two Hundred and Thirty-Nine in Base 20 Vigesimal
81240
a32020
Eighty-One Thousand Two Hundred and Forty in Base 20 Vigesimal
81241
a32120
Eighty-One Thousand Two Hundred and Forty-One in Base 20 Vigesimal
81243
a32320
Eighty-One Thousand Two Hundred and Forty-Three in Base 20 Vigesimal
81244
a32420
Eighty-One Thousand Two Hundred and Forty-Four in Base 20 Vigesimal
81245
a32520
Eighty-One Thousand Two Hundred and Forty-Five in Base 20 Vigesimal

Scientific Notation

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

8.1242e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j7f7ijce93g220

The reciprocal of 81242 in Base 20 Vigesimal.

Palindrome?

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

The number a32220 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 forty-two 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 forty-two 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 forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
829
21920
Eight Hundred and Twenty-Nine in Base 20 Vigesimal

Prime Factorization

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

2201 · 7202 · 219201 = a32220

Base Conversions

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