The Number

2687

Two Thousand Six Hundred and Eighty-Seven

In Base 13 Tridecimal Is

12b913

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2684
12b613
Two Thousand Six Hundred and Eighty-Four in Base 13 Tridecimal
2685
12b713
Two Thousand Six Hundred and Eighty-Five in Base 13 Tridecimal
2686
12b813
Two Thousand Six Hundred and Eighty-Six in Base 13 Tridecimal
2688
12ba13
Two Thousand Six Hundred and Eighty-Eight in Base 13 Tridecimal
2689
12bb13
Two Thousand Six Hundred and Eighty-Nine in Base 13 Tridecimal
2690
12bc13
Two Thousand Six Hundred and Ninety in Base 13 Tridecimal

Scientific Notation

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

2.687e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000a82482635ac9313

The reciprocal of 2687 in Base 13 Tridecimal.

Palindrome?

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

The number 12b913 is not a palindrome.

A Prime Number

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

Two thousand six hundred and eighty-seven is the 390th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Two Thousand Six Hundred and Eighty-Seven is not a composite number because it has exactly two factors: One and Two Thousand Six Hundred and Eighty-Seven

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number two thousand six hundred and eighty-seven has the following 1 prime factor:

2687
12b913
Two Thousand Six Hundred and Eighty-Seven in Base 13 Tridecimal

Prime Factorization

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

12b9131 = 12b913

Base Conversions

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