Properties of the Number -76908

Seventy-Six Thousand Nine Hundred Eight

Basics

Value: -76909 → -76908 → -76907

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 13 × 17 × 29

Divisors: 1, 2, 3, 4, 6, 12, 13, 17, 26, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010110001101100

Octal: -226154

Duodecimal: -38610

Hexadecimal: -12c6c

Square: 5914840464

Square Root: 277.3229164710338

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

Triangle read by rows: counts permutations by number of big descents. A120434

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 246", based on the 5-celled von Neumann neighborhood. A287135

a(n) is the number of isosceles trapezoids in a triangular grid of side length n. A389363

Triangle T(n,k), read by rows, given by (0,1,0,2,0,3,0,4,0,5,0,6,0,7,0,8,0,9,...) δ (2,0,3,0,4,0,5,0,6,0,7,0,8,0,9,...), where δ is the operator defined in A084938. A199335

G.f. A(x) satisfies: A(x) = x + x² * exp( ∑_k>=1 A(x^k)³ / (k·x^2·k) ). A363465

a(n) is the smallest number m such that σ(m)=n*π(m), or 0 if no such m exists. A137602