Properties of the Number 85557

Eighty-Five Thousand Five Hundred Fifty-Seven

Basics

Value: 85556 → 85557 → 85558

Parity: odd

Prime: No

Previous Prime: 85549

Next Prime: 85571

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 ² × 79

Divisors: 1, 3, 19, 57, 79, 237, 361, 1083, 1501, 4503

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111000110101

Octal: 247065

Duodecimal: 41619

Hexadecimal: 14e35

Square: 7320000249

Square Root: 292.5012820484724

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

Integers that are Rhonda numbers to base 15. A100974

Number of (n+1) X (5+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically. A253394

Triangle T, read by rows, where column k of matrix power T^k(k+1/2 ) equals left-shifted column (k-1) of T for k>=1. A126460

Numbers that have more prime digits than nonprime digits. A85557

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

Transposition diameter: maximal number of moves in an optimal sorting of n objects by moving blocks. A65603

Numbers k such that the decimal digits of k are not present in k², k³, or k⁴. A103173

Indices of primes in sequence defined by A(0) = 87, A(n) = 10·A(n-1) - 13 for n > 0. A101072

Numbers k such that 8·10^k + 5·R_k + 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103085