The Number

81490

Eighty-One Thousand Four Hundred and Ninety

In Base 15 Quindecimal Is

1922a15

The numbers with a 15 subscript use Base 15 Quindecimal 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
1922715
Eighty-One Thousand Four Hundred and Eighty-Seven in Base 15 Quindecimal
81488
1922815
Eighty-One Thousand Four Hundred and Eighty-Eight in Base 15 Quindecimal
81489
1922915
Eighty-One Thousand Four Hundred and Eighty-Nine in Base 15 Quindecimal
81491
1922b15
Eighty-One Thousand Four Hundred and Ninety-One in Base 15 Quindecimal
81492
1922c15
Eighty-One Thousand Four Hundred and Ninety-Two in Base 15 Quindecimal
81493
1922d15
Eighty-One Thousand Four Hundred and Ninety-Three in Base 15 Quindecimal

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.

0.000094ba5829da0b815

The reciprocal of 81490 in Base 15 Quindecimal.

Palindrome?

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

The number 1922a15 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 15 Quindecimal

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
215
Two in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
29
1e15
Twenty-Nine in Base 15 Quindecimal
281
13b15
Two Hundred and Eighty-One in Base 15 Quindecimal

Prime Factorization

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

2151 · 5151 · 1e151 · 13b151 = 1922a15

Base Conversions

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