Properties of the Number 80257

Eighty Thousand Two Hundred Fifty-Seven

Basics

Value: 80256 → 80257 → 80258

Parity: odd

Prime: No

Previous Prime: 80251

Next Prime: 80263

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 4721

Divisors: 1, 17, 4721, 80257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100110000001

Octal: 234601

Duodecimal: 3A541

Hexadecimal: 13981

Square: 6441186049

Square Root: 283.2966642938106

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

E.g.f. A(x) satisfies: A'(x) = B(x)*C(x) such that B(x)² - A(x)² = 3 and C(x)² - A(x)² = 8, where B(x) and C(x) are the e.g.f.s of A292122 and A292123, respectively. A292121

a(n) = 288·n² - 168·n - 119. A118059

Interprimes which are of the form s·prime, s=17. A75292

Numbers having at least two distinct or a total of at least three prime factors. A80257

Numbers k such that 4^k - 2^k - 1 is prime. A98845

E.g.f.: A(x) + B(x) + C(x) where A'(x) = B(x)*C(x), B'(x) = A(x)*C(x), and C'(x) = A(x)*B(x), where A(x), B(x), and C(x) are the e.g.f.s of A292121, A292122, and A292123, respectively. A292120

E.g.f. B(x) satisfies: B'(x) = A(x)*C(x) such that B(x)² - A(x)² = 3 and C(x)² - B(x)² = 5, where A(x) and C(x) are the e.g.f.s of A292121 and A292123, respectively. A292122

E.g.f. C(x) satisfies: C'(x) = A(x)*B(x) such that C(x)² - A(x)² = 8 and C(x)² - B(x)² = 5, where A(x) and B(x) are the e.g.f.s of A292121 and A292122, respectively. A292123

E.g.f. D(x) = A(x)*B(x)*C(x) where A(x), B(x), and C(x) are the e.g.f.s of A292121, A292122, and A292123, respectively. A292124