Properties of the Number 77806

Seventy-Seven Thousand Eight Hundred Six

Basics

Value: 77805 → 77806 → 77807

Parity: even

Prime: No

Previous Prime: 77801

Next Prime: 77813

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 38903

Divisors: 1, 2, 38903, 77806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111111101110

Octal: 227756

Duodecimal: 3903A

Hexadecimal: 12fee

Square: 6053773636

Square Root: 278.93726893335713

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

Principal diagonal of the convolution array A213579. A213580

Row sums of the array A274193, defined by g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,3k) for n > 0, k > 1. A274194

Coefficients in the expansion of 1/([r]-[2·r]*x+[3·r]*x²-...); [ ]=floor, r=sqrt(11/4). A288237

Centered 1729-gonal numbers. A130876

Trajectory of 3 under map n->35n+1 if n odd, n->n/2 if n even. A37115

Greatest prime factor of numbers containing in their decimal representation only the digits 0 and 1. A77806