The Number

81997

Eighty-One Thousand Nine Hundred and Ninety-Seven

In Base 19 Nonadecimal Is

bi2c19

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

For more familiar numbers: See Eighty-One Thousand Nine Hundred and Ninety-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81994
bi2919
Eighty-One Thousand Nine Hundred and Ninety-Four in Base 19 Nonadecimal
81995
bi2a19
Eighty-One Thousand Nine Hundred and Ninety-Five in Base 19 Nonadecimal
81996
bi2b19
Eighty-One Thousand Nine Hundred and Ninety-Six in Base 19 Nonadecimal
81998
bi2d19
Eighty-One Thousand Nine Hundred and Ninety-Eight in Base 19 Nonadecimal
81999
bi2e19
Eighty-One Thousand Nine Hundred and Ninety-Nine in Base 19 Nonadecimal
82000
bi2f19
Eighty-Two Thousand in Base 19 Nonadecimal

Scientific Notation

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

8.1997e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b3e53f4hf942b19

The reciprocal of 81997 in Base 19 Nonadecimal.

Palindrome?

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

The number bi2c19 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 nine hundred and ninety-seven is a composite number with 4 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 nine hundred and ninety-seven is a composite number with 4 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 nine hundred and ninety-seven has the following 2 prime factors:

167
8f19
One Hundred and Sixty-Seven in Base 19 Nonadecimal
491
16g19
Four Hundred and Ninety-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

8f191 · 16g191 = bi2c19

Base Conversions

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