Properties of the Number 5778

Five Thousand Seven Hundred Seventy-Eight

Basics

Value: 5777 → 5778 → 5779

Parity: even

Prime: No

Previous Prime: 5749

Next Prime: 5779

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 107

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 107, 214

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011010010010

Octal: 13222

Duodecimal: 3416

Hexadecimal: 1692

Square: 33385284

Square Root: 76.01315675591957

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

Lucas numbers beginning at 2: L(n) = L(n-1) + L(n-2), L(0) = 2, L(1) = 1. A32

Lucas numbers (beginning with 1): L(n) = L(n-1) + L(n-2) with L(1) = 1, L(2) = 3. A204

Bisection of Lucas numbers: a(n) = L(2·n) = A000032(2·n). A5248

Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n² + 2. A5899

Triangular numbers (A000217) with prime indices. A34953

Even Lucas numbers: a(n) = L(3·n). A14448

3 times pentagonal numbers: 3·n*(3·n-1)/2. A62741

Round φⁿ to the nearest integer. A169985

Numbers n such that n divides n-th Lucas number A000032(n). A16089

Fibonacci-type sequence based on subtraction: a(0) = 1, a(1) = 2 and a(n) = a(n-2) - a(n-1). A61084