Properties of the Number 68776

Sixty-Eight Thousand Seven Hundred Seventy-Six

Basics

Value: 68775 → 68776 → 68777

Parity: even

Prime: No

Previous Prime: 68771

Next Prime: 68777

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 8597

Divisors: 1, 2, 4, 8, 8597, 17194, 34388, 68776

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110010101000

Octal: 206250

Duodecimal: 33974

Hexadecimal: 10ca8

Square: 4730138176

Square Root: 262.25178741049604

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

G.f. A(x) satisfies: [xⁿ] A(x)ⁿ⁺¹ = [xⁿ] (1 + x·A(x)^2·n+3)ⁿ⁺¹ for n >= 0. A360347

a(0) = 1; for n > 0, a(n) is the smallest triangular number which is a (proper) multiple of a(n-1). A68776

Least positive integer k such that both k and k·n belong to the set {m>0: prime(prime(m))-prime(m)+1 = prime(p) for some prime p}. A260753

Number of length n+3 0..5 arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms. A249704