The Number

1981

One Thousand Nine Hundred and Eighty-One

In Base 14 Quattuordecimal Is

a1714

The numbers with a 14 subscript use Base 14 Quattuordecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1978
a1414
One Thousand Nine Hundred and Seventy-Eight in Base 14 Quattuordecimal
1979
a1514
One Thousand Nine Hundred and Seventy-Nine in Base 14 Quattuordecimal
1980
a1614
One Thousand Nine Hundred and Eighty in Base 14 Quattuordecimal
1982
a1814
One Thousand Nine Hundred and Eighty-Two in Base 14 Quattuordecimal
1983
a1914
One Thousand Nine Hundred and Eighty-Three in Base 14 Quattuordecimal
1984
a1a14
One Thousand Nine Hundred and Eighty-Four in Base 14 Quattuordecimal

Scientific Notation

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

1.981e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001556c3a8c942c2314

The reciprocal of 1981 in Base 14 Quattuordecimal.

Palindrome?

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

The number a1714 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand nine hundred and eighty-one 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.

One thousand nine hundred and eighty-one 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 one thousand nine hundred and eighty-one has the following 2 prime factors:

7
714
Seven in Base 14 Quattuordecimal
283
16314
Two Hundred and Eighty-Three in Base 14 Quattuordecimal

Prime Factorization

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

7141 · 163141 = a1714

Base Conversions

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