Properties of the Number 9505

Nine Thousand Five Hundred Five

Basics

Value: 9504 → 9505 → 9506

Parity: odd

Prime: No

Previous Prime: 9497

Next Prime: 9511

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 1901

Divisors: 1, 5, 1901, 9505

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010100100001

Octal: 22441

Duodecimal: 5601

Hexadecimal: 2521

Square: 90345025

Square Root: 97.49358953285082

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

Centered 18-gonal numbers. A69131

Array of a(n)=a(n-1)*k-((k-1)/(kⁿ)) where a(0)=1 and k=(sqrt(x²-1)+x)² for integers x>=1. A188646

Partial sums of A160239. A245542

Numbers n such that n² can be obtained from n by inserting internal (but not necessarily contiguous) digits. A46851

Numbers that are the sum of five third powers in exactly nine ways. A345186

Expansion of g.f. A(x) satisfying A(x) = A( x²*(1+x)⁴ ) / x. A369554

Starting with a(0) = 1, smallest squarefree number k such that, for all a(m), m < n, k + a(m) is not squarefree. A77225

Start with 1057 and repeatedly reverse the digits and add 2 to get the next term. A120215

G.f.: 1/(1 + x - x² - x³ + x⁴). A199803

a(0)=1, a(1)=97; for n>1, a(n) = 98·a(n-1) - a(n-2). A302330