Properties of the Number 2656

Two Thousand Six Hundred Fifty-Six

Basics

Value: 2655 → 2656 → 2657

Parity: even

Prime: No

Previous Prime: 2647

Next Prime: 2657

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 83

Divisors: 1, 2, 4, 8, 16, 32, 83, 166, 332, 664

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101001100000

Octal: 5140

Duodecimal: 1654

Hexadecimal: a60

Square: 7054336

Square Root: 51.536394906900505

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

Generalized 24-gonal (or icositetragonal) numbers: m*(11·m - 10) with m = 0, +1, -1, +2, -2, +3, -3, ... A303814

Number of non-isomorphic strict connected multiset partitions of weight n. A319557

Numbers whose deficiency is 20: σ(k) - 2·k = -20. A223607

a(n) = floor(n*(n-1)*(n-2)/4). A11886

Number of strict integer partitions y of n with no fixed points y(i) = i. A352828

Expansion of x⁹/((1-x)*(1-x²)*(1-x³))². A117485

Years in which there are five Fridays in the month of February. A141287

Numbers k giving rise to prime quadruples (30k+11, 30k+13, 30k+17, 30k+19). A14561

Product of the 5th power of a prime (A050997) and a different prime (p⁵*q). A178740

Positive integers n such that n¹⁷ + 1 is semiprime (A001358). A104494