The Number

81640

Eighty-One Thousand Six Hundred and Forty

In Base 19 Nonadecimal Is

bh2g19

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

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

Nearby Numbers

Positive, nonzero integers within three units

81637
bh2d19
Eighty-One Thousand Six Hundred and Thirty-Seven in Base 19 Nonadecimal
81638
bh2e19
Eighty-One Thousand Six Hundred and Thirty-Eight in Base 19 Nonadecimal
81639
bh2f19
Eighty-One Thousand Six Hundred and Thirty-Nine in Base 19 Nonadecimal
81641
bh2h19
Eighty-One Thousand Six Hundred and Forty-One in Base 19 Nonadecimal
81642
bh2i19
Eighty-One Thousand Six Hundred and Forty-Two in Base 19 Nonadecimal
81643
bh3019
Eighty-One Thousand Six 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.

8.1640e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b64hhaea8dab919

The reciprocal of 81640 in Base 19 Nonadecimal.

Palindrome?

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

The number bh2g19 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 six hundred and forty is a composite number with 32 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 six hundred and forty is a composite number with 32 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 six hundred and forty has the following 4 prime factors:

2
219
Two in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
13
d19
Thirteen in Base 19 Nonadecimal
157
8519
One Hundred and Fifty-Seven in Base 19 Nonadecimal

Prime Factorization

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

2193 · 5191 · d191 · 85191 = bh2g19

Base Conversions

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