Properties of the Number 9561

Nine Thousand Five Hundred Sixty-One

Basics

Value: 9560 → 9561 → 9562

Parity: odd

Prime: No

Previous Prime: 9551

Next Prime: 9587

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 3187

Divisors: 1, 3, 3187, 9561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010101011001

Octal: 22531

Duodecimal: 5649

Hexadecimal: 2559

Square: 91412721

Square Root: 97.78036612735708

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

Numbers that occur only once in A155043; positions of zeros in A262505, ones in A262507. A262508

Sum of the fifth largest parts of the partitions of n into 9 squarefree parts. A326528

Row 5 of A277710: Positions of 5's in A264977; positions of 10's in A277330. A277715

The maximum number of coins that can be processed in n weighings where all coins are real except for one LHR-coin. A279682

Number of subsets of {1, 2, ..., n} containing n and having <=5 pairwise coprime elements. A186989

a(n) = Min{x : A073124(x) = 2n}. A96480

Expansion of (1/x) * Series_Reversion( x * (1 - x² * (1 + x)³) ). A389295

Denominators of continued fraction convergents to sqrt(294). A41553

Numbers k such that the continued fraction for sqrt(k) has period 82. A20421

Least K such that 10^10·n-1 + K + 6·s are consecutive primes for s=0, s=1, s=2, s=3. A133449