Properties of the Number 65555

Sixty-Five Thousand Five Hundred Fifty-Five

Basics

Value: 65554 → 65555 → 65556

Parity: odd

Prime: No

Previous Prime: 65551

Next Prime: 65557

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 1873

Divisors: 1, 5, 7, 35, 1873, 9365, 13111, 65555

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000000010011

Octal: 200023

Duodecimal: 31B2B

Hexadecimal: 10013

Square: 4297458025

Square Root: 256.03710668573024

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) = ∑_d∣n (n/d)^d-1. A87909

a(n) = [xⁿ] (1 - 2·x + x² - 2·x³ + x⁴)/((1 - x)²*(1 - 2·x)). A323227

a(1) = 5; a(n) is the sum of |a(m) - m| for m < n. A270841

Expansion of 1/((1-x)*(1-3·x)*(1-7·x)*(1-12·x)). A21629

Odd positive integers a(n) such that for every odd integer m>=7 there exists a unique representation of the form m=a(p)+2a(q)+4a(r). A147845

Positive integers not the sum of iterated binary logs. A255310

If 2n = 2^e1 + ... + 2^ek [e1 .. ek distinct], then a(n) is the minimal number of primorials (A002110) that add to A002110(e1) * ... * A002110(ek). A324342

Numbers n such that φ(φ(n)) = φ(σ(n)) where φ is Euler's totient and σ is the multiplicative sum-of-divisors function. A65555