The Number

81490

Eighty-One Thousand Four Hundred and Ninety

In Base 22 Duovigesimal Is

7e8222

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

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

Nearby Numbers

Positive, nonzero integers within three units

81487
7e7l22
Eighty-One Thousand Four Hundred and Eighty-Seven in Base 22 Duovigesimal
81488
7e8022
Eighty-One Thousand Four Hundred and Eighty-Eight in Base 22 Duovigesimal
81489
7e8122
Eighty-One Thousand Four Hundred and Eighty-Nine in Base 22 Duovigesimal
81491
7e8322
Eighty-One Thousand Four Hundred and Ninety-One in Base 22 Duovigesimal
81492
7e8422
Eighty-One Thousand Four Hundred and Ninety-Two in Base 22 Duovigesimal
81493
7e8522
Eighty-One Thousand Four Hundred and Ninety-Three in Base 22 Duovigesimal

Scientific Notation

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

8.1490e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j578509j3f1622

The reciprocal of 81490 in Base 22 Duovigesimal.

Palindrome?

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

The number 7e8222 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 four hundred and ninety is a composite number with 16 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 four hundred and ninety is a composite number with 16 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 four hundred and ninety has the following 4 prime factors:

2
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
29
1722
Twenty-Nine in Base 22 Duovigesimal
281
ch22
Two Hundred and Eighty-One in Base 22 Duovigesimal

Prime Factorization

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

2221 · 5221 · 17221 · ch221 = 7e8222

Base Conversions

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