Properties of the Number 76856

Seventy-Six Thousand Eight Hundred Fifty-Six

Basics

Value: 76855 → 76856 → 76857

Parity: even

Prime: No

Previous Prime: 76847

Next Prime: 76871

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 13 × 739

Divisors: 1, 2, 4, 8, 13, 26, 52, 104, 739, 1478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110000111000

Octal: 226070

Duodecimal: 38588

Hexadecimal: 12c38

Square: 5906844736

Square Root: 277.2291470967654

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

T(n,k) = Number of length n+3 0..k arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth. A249290

a(n) is the number of positive integer solutions of n·x*y·z*v·w = (x + n) * (y + n) * (z + n) * (v + n) * (w + n), x <= y <= z <= v <= w. A381644

a(n) is the least integer greater than a(n-1) such that a(n-1)*2^a(n) - 1 is prime, a(1) = 1. A46809

Number of length n+3 0..6 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth. A249288

Number of length 3+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth. A249293

Numbers that are partial sums of the reverses of the sequence of primes and are reverses of primes. A381245

Number of geometries for group A_n under axioms A, 2T₁, CD, NT. A76856