The Number

81142

Eighty-One Thousand One Hundred and Forty-Two

In Base 20 Vigesimal Is

a2h220

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

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

Nearby Numbers

Positive, nonzero integers within three units

81139
a2gj20
Eighty-One Thousand One Hundred and Thirty-Nine in Base 20 Vigesimal
81140
a2h020
Eighty-One Thousand One Hundred and Forty in Base 20 Vigesimal
81141
a2h120
Eighty-One Thousand One Hundred and Forty-One in Base 20 Vigesimal
81143
a2h320
Eighty-One Thousand One Hundred and Forty-Three in Base 20 Vigesimal
81144
a2h420
Eighty-One Thousand One Hundred and Forty-Four in Base 20 Vigesimal
81145
a2h520
Eighty-One Thousand One 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.

8.1142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j8eg5g3cc18c20

The reciprocal of 81142 in Base 20 Vigesimal.

Palindrome?

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

The number a2h220 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 one hundred and forty-two is a composite number with 8 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 one hundred and forty-two is a composite number with 8 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 one hundred and forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
29
1920
Twenty-Nine in Base 20 Vigesimal
1399
39j20
One Thousand Three Hundred and Ninety-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 · 19201 · 39j201 = a2h220

Base Conversions

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