The Number

81381

Eighty-One Thousand Three Hundred and Eighty-One

In Base 22 Duovigesimal Is

7e3322

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81378
7e3022
Eighty-One Thousand Three Hundred and Seventy-Eight in Base 22 Duovigesimal
81379
7e3122
Eighty-One Thousand Three Hundred and Seventy-Nine in Base 22 Duovigesimal
81380
7e3222
Eighty-One Thousand Three Hundred and Eighty in Base 22 Duovigesimal
81382
7e3422
Eighty-One Thousand Three Hundred and Eighty-Two in Base 22 Duovigesimal
81383
7e3522
Eighty-One Thousand Three Hundred and Eighty-Three in Base 22 Duovigesimal
81384
7e3622
Eighty-One Thousand Three Hundred and Eighty-Four in Base 22 Duovigesimal

Scientific Notation

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

8.1381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j7483i886b5e22

The reciprocal of 81381 in Base 22 Duovigesimal.

Palindrome?

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

The number 7e3322 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 three hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and eighty-one is a composite number with 4 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 three hundred and eighty-one has the following 2 prime factors:

3
322
Three in Base 22 Duovigesimal
27127
2c1122
Twenty-Seven Thousand One Hundred and Twenty-Seven in Base 22 Duovigesimal

Prime Factorization

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

3221 · 2c11221 = 7e3322

Base Conversions

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