Properties of the Number 9551

Nine Thousand Five Hundred Fifty-One

Basics

Value: 9550 → 9551 → 9552

Parity: odd

Prime: Yes

Previous Prime: 9547

Next Prime: 9587

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 9551

Divisors: 1, 9551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010101001111

Octal: 22517

Duodecimal: 563B

Hexadecimal: 254f

Square: 91221601

Square Root: 97.72921773962995

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

Primes (lower end) with record gaps to the next consecutive prime: primes p(k) where p(k+1) - p(k) exceeds p(j+1) - p(j) for all j < k. A2386

a(0)=2; for n>=1, a(n) = smallest prime p such that there is a gap of exactly 2n between p and next prime, or -1 if no such prime exists. A230

Numbers k such that (3^k - 1)/2 is prime. A28491

Partial sums of A299255. A299261

Primes from merging of 4 successive digits in decimal expansion of e. A104845

Number of sequences (a₁, a₂, ..., a_n) of length n with a₁ = 1 satisfying a_i <= a_i+1 <= 2·a_i. A16121

Primes p whose reciprocal has period (p-1)/10. A56215

a(n) = 2^prime(n-1) mod prime(n)². A196202

First occurrence of prime gaps which are squares. A138198

Records in A000230. A133429