Properties of the Number 85556

Eighty-Five Thousand Five Hundred Fifty-Six

Basics

Value: 85555 → 85556 → 85557

Parity: even

Prime: No

Previous Prime: 85549

Next Prime: 85571

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 73 × 293

Divisors: 1, 2, 4, 73, 146, 292, 293, 586, 1172, 21389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111000110100

Octal: 247064

Duodecimal: 41618

Hexadecimal: 14e34

Square: 7319829136

Square Root: 292.4995726492605

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

G.f. A(x) satisfies: ∑_n>=0 ∏_k=1..n x^n+1-k - A(x)^k = 1. A306088

a(n) = (9·n+4)*(9·n+5). A177073

Numbers n such that 2 * (1ⁿ + 2ⁿ + 3ⁿ + ... + nⁿ) is not 0 (mod n), but 2 * (1^d + 2^d + 3^d + ... + d^d) is 0 (mod d) for each other d | n. A280187

a(1) = 2. For n>1, a(n) = smallest m such that m == 0 (mod prime(n)), m + 1 == 0 (mod prime(n+1)) and m-1 == 0 (mod prime(n-1)). A78455

a(n) = smallest number k such that three consecutive prime numbers prime(n), prime(n+1) and prime(n+2) are divisors of k, k+1 and k+2 respectively. A180095

Numbers that have exactly as many prime digits as nonprime digits. A85556