Properties of the Number 80737

Eighty Thousand Seven Hundred Thirty-Seven

Basics

Value: 80736 → 80737 → 80738

Parity: odd

Prime: Yes

Previous Prime: 80713

Next Prime: 80747

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 80737

Divisors: 1, 80737

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011101101100001

Octal: 235541

Duodecimal: 3A881

Hexadecimal: 13b61

Square: 6518463169

Square Root: 284.14256984830695

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

Primes of the form n² + 81. A256775

Primes p of Erdos-Selfridge class 5+ with largest prime factor of p+1 not of class 4+. A129473

Primes of the form 6·k² + 1. A90687

Primes of the form 16·m² + 81, m=1,2,3,... A87861

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 63. A31651

a(1) = a(2) = 0; for n > 2, the least dimension of a lattice possessing a symmetry of order n. A80737

Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254261

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically. A254300