Properties of the Number 76881

Seventy-Six Thousand Eight Hundred Eighty-One

Basics

Value: 76880 → 76881 → 76882

Parity: odd

Prime: No

Previous Prime: 76873

Next Prime: 76883

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 ² × 523

Divisors: 1, 3, 7, 21, 49, 147, 523, 1569, 3661, 10983

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110001010001

Octal: 226121

Duodecimal: 385A9

Hexadecimal: 12c51

Square: 5910688161

Square Root: 277.274232484737

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

Number of polyominoes with n cells that tile the plane isohedrally but not by translation or by 180-degree rotation (Conway criterion). A75204

Determinant of M(n), the n X n matrix defined by m(i,i) = 1, m(i,j) = i-j. A79034

a(n) = 80·n² + 1. A158776

G.f. A(x) satisfies: A( x - A(x)³ ) = x+x³ - A(x)³. A216171

π(n) - floor(n / log(n)), where π(n) = the number of primes <= n. A76881