The Number

81840

Eighty-One Thousand Eight Hundred and Forty

In Base 19 Nonadecimal Is

bhd719

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

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

Nearby Numbers

Positive, nonzero integers within three units

81837
bhd419
Eighty-One Thousand Eight Hundred and Thirty-Seven in Base 19 Nonadecimal
81838
bhd519
Eighty-One Thousand Eight Hundred and Thirty-Eight in Base 19 Nonadecimal
81839
bhd619
Eighty-One Thousand Eight Hundred and Thirty-Nine in Base 19 Nonadecimal
81841
bhd819
Eighty-One Thousand Eight Hundred and Forty-One in Base 19 Nonadecimal
81842
bhd919
Eighty-One Thousand Eight Hundred and Forty-Two in Base 19 Nonadecimal
81843
bhda19
Eighty-One Thousand Eight Hundred and Forty-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.

8.1840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b4g3a5g4b80a19

The reciprocal of 81840 in Base 19 Nonadecimal.

Palindrome?

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

The number bhd719 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 eight hundred and forty is a composite number with 80 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 eight hundred and forty is a composite number with 80 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 eight hundred and forty has the following 5 prime factors:

2
219
Two in Base 19 Nonadecimal
3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
31
1c19
Thirty-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

2194 · 3191 · 5191 · b191 · 1c191 = bhd719

Base Conversions

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