Properties of the Number 78807

Seventy-Eight Thousand Eight Hundred Seven

Basics

Value: 78806 → 78807 → 78808

Parity: odd

Prime: No

Previous Prime: 78803

Next Prime: 78809

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 109 × 241

Divisors: 1, 3, 109, 241, 327, 723, 26269, 78807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001111010111

Octal: 231727

Duodecimal: 39733

Hexadecimal: 133d7

Square: 6210543249

Square Root: 280.7258449092281

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)², where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296245

a(1) = 1 then the least multiple of odd numbers not odd multiples of 5, (3,7,9,11,13,17,19,21,23,27,29,...) such that every partial concatenation is noncomposite. A110433

Triangular array T given by T(n,k) = number of 01-words of length n having exactly k 1's, all runlengths odd and first letter 0. A78807