The Number

1281

One Thousand Two Hundred and Eighty-One

In Base 12 Duodecimal Is

8a912

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1278
8a612
One Thousand Two Hundred and Seventy-Eight in Base 12 Duodecimal
1279
8a712
One Thousand Two Hundred and Seventy-Nine in Base 12 Duodecimal
1280
8a812
One Thousand Two Hundred and Eighty in Base 12 Duodecimal
1282
8aa12
One Thousand Two Hundred and Eighty-Two in Base 12 Duodecimal
1283
8ab12
One Thousand Two Hundred and Eighty-Three in Base 12 Duodecimal
1284
8b012
One Thousand Two Hundred and Eighty-Four in Base 12 Duodecimal

Scientific Notation

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

1.281e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001422b8b6b369b4712

The reciprocal of 1281 in Base 12 Duodecimal.

Palindrome?

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

The number 8a912 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 two hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and eighty-one is a composite number with 8 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 two hundred and eighty-one has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
61
5112
Sixty-One in Base 12 Duodecimal

Prime Factorization

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

3121 · 7121 · 51121 = 8a912

Base Conversions

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