The Number

1287

One Thousand Two Hundred and Eighty-Seven

In Base 22 Duovigesimal Is

2eb22

The numbers with a 22 subscript use Base 22 Duovigesimal 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
2e822
One Thousand Two Hundred and Eighty-Four in Base 22 Duovigesimal
1285
2e922
One Thousand Two Hundred and Eighty-Five in Base 22 Duovigesimal
1286
2ea22
One Thousand Two Hundred and Eighty-Six in Base 22 Duovigesimal
1288
2ec22
One Thousand Two Hundred and Eighty-Eight in Base 22 Duovigesimal
1289
2ed22
One Thousand Two Hundred and Eighty-Nine in Base 22 Duovigesimal
1290
2ee22
One Thousand Two Hundred and Ninety in Base 22 Duovigesimal

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.

0.0086086086086122

The reciprocal of 1287 in Base 22 Duovigesimal.

Palindrome?

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

The number 2eb22 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 22 Duovigesimal

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
322
Three in Base 22 Duovigesimal
11
b22
Eleven in Base 22 Duovigesimal
13
d22
Thirteen in Base 22 Duovigesimal

Prime Factorization

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

3222 · b221 · d221 = 2eb22

Base Conversions

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