Properties of the Number 2687

Two Thousand Six Hundred Eighty-Seven

Basics

Value: 2686 → 2687 → 2688

Parity: odd

Prime: Yes

Previous Prime: 2683

Next Prime: 2689

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2687

Divisors: 1, 2687

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101001111111

Octal: 5177

Duodecimal: 167B

Hexadecimal: a7f

Square: 7219969

Square Root: 51.836280730777744

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Initial members of prime triples (p, p+2, p+6). A22004

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <= 6 (i.e., when d = 2, 4 or 6) and forming pattern = [2, 4, 6]; short notation = [246] d-pattern. A78847

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 24. A51965

Number of integer partitions of n that can be partitioned into distinct pairs of (possibly equal) parts. A338916

Primes congruent to 31 mod 32. A127578

Start of a string of exactly 1 consecutive (but disjoint) pair of twin primes. A35789

Smallest prime factor of Mersenne numbers 2^p-1, where p is prime. A16047

Number of partitions of n into sums of products. A66815

Primes such that the sum of the predecessor and successor primes is divisible by 17. A112796

Primes p such that the polynomial x² + x + p generates only primes for x = 0, ..., 4. A187057