The Number

81997

Eighty-One Thousand Nine Hundred and Ninety-Seven

In Base 14 Quattuordecimal Is

21c4d14

The numbers with a 14 subscript use Base 14 Quattuordecimal 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
21c4a14
Eighty-One Thousand Nine Hundred and Ninety-Four in Base 14 Quattuordecimal
81995
21c4b14
Eighty-One Thousand Nine Hundred and Ninety-Five in Base 14 Quattuordecimal
81996
21c4c14
Eighty-One Thousand Nine Hundred and Ninety-Six in Base 14 Quattuordecimal
81998
21c5014
Eighty-One Thousand Nine Hundred and Ninety-Eight in Base 14 Quattuordecimal
81999
21c5114
Eighty-One Thousand Nine Hundred and Ninety-Nine in Base 14 Quattuordecimal
82000
21c5214
Eighty-Two Thousand in Base 14 Quattuordecimal

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.

0.000067b812bcd61c21514

The reciprocal of 81997 in Base 14 Quattuordecimal.

Palindrome?

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

The number 21c4d14 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 14 Quattuordecimal

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
bd14
One Hundred and Sixty-Seven in Base 14 Quattuordecimal
491
27114
Four Hundred and Ninety-One in Base 14 Quattuordecimal

Prime Factorization

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

bd141 · 271141 = 21c4d14

Base Conversions

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