Properties of the Number 76855

Seventy-Six Thousand Eight Hundred Fifty-Five

Basics

Value: 76854 → 76855 → 76856

Parity: odd

Prime: No

Previous Prime: 76847

Next Prime: 76871

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 19 × 809

Divisors: 1, 5, 19, 95, 809, 4045, 15371, 76855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110000110111

Octal: 226067

Duodecimal: 38587

Hexadecimal: 12c37

Square: 5906691025

Square Root: 277.22734352873636

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(n) = n·F(n+1) - (n+1)*F(n), where F = A000045. A264147

Consider a number n with m decimal digits. The sequence lists the numbers n having the prefix of length m-1 in the middle of the decimal expansion of prime(n). A242956

Numbers k such that the Phi₃(10¹⁰⁰⁰⁰+k) is prime, where φ is a cyclic polynomial. A259631

a(n) = (8·n³ + 15·n² + 13·n)/6. A332698

Numbers k such that 209·2^k+1 is prime. A32481

Number of geometries for group A_n under axioms A, 2T₁, CD. A76855