Properties of the Number 9391

Nine Thousand Three Hundred Ninety-One

Basics

Value: 9390 → 9391 → 9392

Parity: odd

Prime: Yes

Previous Prime: 9377

Next Prime: 9397

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 9391

Divisors: 1, 9391

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010101111

Octal: 22257

Duodecimal: 5527

Hexadecimal: 24af

Square: 88190881

Square Root: 96.90717207719973

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 from merging of 4 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. A103810

Primes congruent to 2 mod 41. A142199

Numerator of ∑_k=1..n 1/φ(k). A28415

Primes that can be written as the sum of 13 consecutive primes. A127341

Primes having only {1, 3, 9} as digits. A329761

Primes p such that p's set of distinct digits is {1,3,9}. A108383

The only prime p such that k·a < p < k·b where a, b are consecutive primes, case k=5. A217577

a(n) = ∑_k=1..n binomial(floor(n/k)+2,3). A364970

Numbers k such that k*(sum of digits of k) is a palindrome. A229549

Cycle of the inventory sequence (as in A063850) starting with n consists of prime numbers. A78970