Properties of the Number 79816

Seventy-Nine Thousand Eight Hundred Sixteen

Basics

Value: 79815 → 79816 → 79817

Parity: even

Prime: No

Previous Prime: 79813

Next Prime: 79817

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 11 × 907

Divisors: 1, 2, 4, 8, 11, 22, 44, 88, 907, 1814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011011111001000

Octal: 233710

Duodecimal: 3A234

Hexadecimal: 137c8

Square: 6370593856

Square Root: 282.5172561101357

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

a(0)=2, a(1)=1, a(n+2)=floor[(e-1/e)*a(n+1)+a(n-2)]. A85421

Fibonacci sequence beginning 5, 16. A22140

Numerator of Hermite(n, 22/25). A160066

Number of (n+2)X(1+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 3. A255794

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 3. A255801

Number of permutations satisfying -k <= p(i)-i <= r and p(i)-i not in I, i=1..n, with k=1, r=5, I={1}. A79816