Properties of the Number 76663

Seventy-Six Thousand Six Hundred Sixty-Three

Basics

Value: 76662 → 76663 → 76664

Parity: odd

Prime: No

Previous Prime: 76651

Next Prime: 76667

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 31 × 2473

Divisors: 1, 31, 2473, 76663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010101101110111

Octal: 225567

Duodecimal: 38447

Hexadecimal: 12b77

Square: 5877215569

Square Root: 276.8808407961808

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 fixed hexagonal polygons (or benzenoids) with n cells. A121220

a(n) = 56·n² - 1. A158658

T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent. A224588

a(n) = sum of σ(e) where e ranges over all non-divisors of n that are between 1 and n. A76663

Indices of primes in sequence defined by A(0) = 73, A(n) = 10·A(n-1) + 33 for n > 0. A101148

Numbers k such that 7·10^k + 6·R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103064