Properties of the Number 85478

Eighty-Five Thousand Four Hundred Seventy-Eight

Basics

Value: 85477 → 85478 → 85479

Parity: even

Prime: No

Previous Prime: 85469

Next Prime: 85487

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 79 × 541

Divisors: 1, 2, 79, 158, 541, 1082, 42739, 85478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110111100110

Octal: 246746

Duodecimal: 41572

Hexadecimal: 14de6

Square: 7306488484

Square Root: 292.36620871776546

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

Decimal expansion of (591603+85478·sqrt(2))/761². A160202

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, -1), (0, 0, 1), (1, 0, -1)}. A148176

a(n) is the smallest nonzero number k such that gcd(prime(1)^k + 1, prime(2)^k + 1, ..., prime(n)^k + 1) > 1 and gcd(prime(1)^k + 1, prime(2)^k + 1, ..., prime(n+1)^k + 1) = 1. A351921

Triangle read by rows: T(n, k) = binomial(n + k, 2·k). A85478

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+761)² = y². A122694

Decimal expansion of (1003+462·sqrt(2))/761. A160201

Positive numbers y such that y² is of the form x²+(x+761)² with integer x. A160200