The Number

81180

Eighty-One Thousand One Hundred and Eighty

In Base 20 Vigesimal Is

a2j020

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

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

Nearby Numbers

Positive, nonzero integers within three units

81177
a2ih20
Eighty-One Thousand One Hundred and Seventy-Seven in Base 20 Vigesimal
81178
a2ii20
Eighty-One Thousand One Hundred and Seventy-Eight in Base 20 Vigesimal
81179
a2ij20
Eighty-One Thousand One Hundred and Seventy-Nine in Base 20 Vigesimal
81181
a2j120
Eighty-One Thousand One Hundred and Eighty-One in Base 20 Vigesimal
81182
a2j220
Eighty-One Thousand One Hundred and Eighty-Two in Base 20 Vigesimal
81183
a2j320
Eighty-One Thousand One Hundred and Eighty-Three in Base 20 Vigesimal

Scientific Notation

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

8.1180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j878c3450i4d20

The reciprocal of 81180 in Base 20 Vigesimal.

Palindrome?

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

The number a2j020 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 eighty is a composite number with 72 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 eighty is a composite number with 72 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 eighty has the following 5 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
41
2120
Forty-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

2202 · 3202 · 5201 · b201 · 21201 = a2j020

Base Conversions

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