Properties of the Number 85580

Eighty-Five Thousand Five Hundred Eighty

Basics

Value: 85579 → 85580 → 85581

Parity: even

Prime: No

Previous Prime: 85577

Next Prime: 85597

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 11 × 389

Divisors: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111001001100

Octal: 247114

Duodecimal: 41638

Hexadecimal: 14e4c

Square: 7323936400

Square Root: 292.54059547351716

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

Coefficients in the expansion of C²/B³, in Watson's notation of page 118. A160526

Successive values y such that Mordell elliptic curve x³ - y² = d has a quadratic extension over rationals. A200657

Coordinates y of points {x,y} of Mordell elliptic curves x³-y² for primary extremal points with quadratic extensions over rationals. A201269

Number of inequivalent ways to color the edges of a tetrahedron using at most n colors so that no two adjacent edges have the same color. A282818

Numerator of Hermite(n, 11/27). A160139

Sum of binomial numbers A000332(k+3), with k in the reduced residue system modulo n. A192000

a(n) = (n+1)-st digit after decimal point of d, where d = (sqrt((n+1)² + 4(n+1)) - (n+1))/2. A85580