The Number

1287

One Thousand Two Hundred and Eighty-Seven

In Base 12 Duodecimal Is

8b312

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

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

Nearby Numbers

Positive, nonzero integers within three units

1284
8b012
One Thousand Two Hundred and Eighty-Four in Base 12 Duodecimal
1285
8b112
One Thousand Two Hundred and Eighty-Five in Base 12 Duodecimal
1286
8b212
One Thousand Two Hundred and Eighty-Six in Base 12 Duodecimal
1288
8b412
One Thousand Two Hundred and Eighty-Eight in Base 12 Duodecimal
1289
8b512
One Thousand Two Hundred and Eighty-Nine in Base 12 Duodecimal
1290
8b612
One Thousand Two Hundred and Ninety in Base 12 Duodecimal

Scientific Notation

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

1.287e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00141414141414141512

The reciprocal of 1287 in Base 12 Duodecimal.

Palindrome?

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

The number 8b312 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-seven is a composite number with 12 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-seven is a composite number with 12 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-seven has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
13
1112
Thirteen in Base 12 Duodecimal

Prime Factorization

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

3122 · b121 · 11121 = 8b312

Base Conversions

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