Properties of the Number 85845

Eighty-Five Thousand Eight Hundred Forty-Five

Basics

Value: 85844 → 85845 → 85846

Parity: odd

Prime: No

Previous Prime: 85843

Next Prime: 85847

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 59 × 97

Divisors: 1, 3, 5, 15, 59, 97, 177, 291, 295, 485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111101010101

Octal: 247525

Duodecimal: 41819

Hexadecimal: 14f55

Square: 7369364025

Square Root: 292.9931739819206

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

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 2), t = (Lucas numbers). A24310

Triangle T(n, k) read by rows; given by [0, 1, 0, 1, 0, 1, ...] δ [1, 1, 2, 5, 14, 42, 132, 429, 1430, ...] (A000108) where δ is Deléham's operator defined in A084938. A85845