The Number

1287

One Thousand Two Hundred and Eighty-Seven

In Base 31 Untrigesimal Is

1ag31

The numbers with a 31 subscript use Base 31 Untrigesimal 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
1ad31
One Thousand Two Hundred and Eighty-Four in Base 31 Untrigesimal
1285
1ae31
One Thousand Two Hundred and Eighty-Five in Base 31 Untrigesimal
1286
1af31
One Thousand Two Hundred and Eighty-Six in Base 31 Untrigesimal
1288
1ah31
One Thousand Two Hundred and Eighty-Eight in Base 31 Untrigesimal
1289
1ai31
One Thousand Two Hundred and Eighty-Nine in Base 31 Untrigesimal
1290
1aj31
One Thousand Two Hundred and Ninety in Base 31 Untrigesimal

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.

0.00n4hr1godrq431

The reciprocal of 1287 in Base 31 Untrigesimal.

Palindrome?

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

The number 1ag31 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 31 Untrigesimal

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
331
Three in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
13
d31
Thirteen in Base 31 Untrigesimal

Prime Factorization

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

3312 · b311 · d311 = 1ag31

Base Conversions

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