The Number

81020

Eighty-One Thousand and Twenty

In Base 19 Nonadecimal Is

bf8419

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81017
bf8119
Eighty-One Thousand and Seventeen in Base 19 Nonadecimal
81018
bf8219
Eighty-One Thousand and Eightteen in Base 19 Nonadecimal
81019
bf8319
Eighty-One Thousand and Nineteen in Base 19 Nonadecimal
81021
bf8519
Eighty-One Thousand and Twenty-One in Base 19 Nonadecimal
81022
bf8619
Eighty-One Thousand and Twenty-Two in Base 19 Nonadecimal
81023
bf8719
Eighty-One Thousand and Twenty-Three in Base 19 Nonadecimal

Scientific Notation

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

8.1020e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001bacdg63icb02d19

The reciprocal of 81020 in Base 19 Nonadecimal.

Palindrome?

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

The number bf8419 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 is a composite number with 12 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and twenty 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 has the following 3 prime factors:

2
219
Two in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
4051
b4419
Four Thousand and Fifty-One in Base 19 Nonadecimal

Prime Factorization

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

2192 · 5191 · b44191 = bf8419

Base Conversions

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