The Number

81028

Eighty-One Thousand and Twenty-Eight

In Base 15 Quindecimal Is

1901d15

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81025
1901a15
Eighty-One Thousand and Twenty-Five in Base 15 Quindecimal
81026
1901b15
Eighty-One Thousand and Twenty-Six in Base 15 Quindecimal
81027
1901c15
Eighty-One Thousand and Twenty-Seven in Base 15 Quindecimal
81029
1901e15
Eighty-One Thousand and Twenty-Nine in Base 15 Quindecimal
81030
1902015
Eighty-One Thousand and Thirty in Base 15 Quindecimal
81031
1902115
Eighty-One Thousand and Thirty-One in Base 15 Quindecimal

Scientific Notation

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

8.1028e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00009589a58106329615

The reciprocal of 81028 in Base 15 Quindecimal.

Palindrome?

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

The number 1901d15 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 and twenty-eight is a composite number with 12 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 and twenty-eight is a composite number with 12 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 and twenty-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
47
3215
Forty-Seven in Base 15 Quindecimal
431
1db15
Four Hundred and Thirty-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

2152 · 32151 · 1db151 = 1901d15

Base Conversions

The number eighty-one thousand and twenty-eight in 35 different bases