Properties of the Number 9521

Nine Thousand Five Hundred Twenty-One

Basics

Value: 9520 → 9521 → 9522

Parity: odd

Prime: Yes

Previous Prime: 9511

Next Prime: 9533

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 9521

Divisors: 1, 9521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010100110001

Octal: 22461

Duodecimal: 5615

Hexadecimal: 2531

Square: 90649441

Square Root: 97.57561170702442

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

Partial sums of A299281. A299282

Primes of the form 2·n² - 1. A66436

Centered 16-gonal numbers. A69129

Smallest prime equal to the sum of 2n+1 consecutive primes. A70934

Primes p such that p²+p-1 and p²+p+1 are twin primes. A88483

Primes with distinct digits in descending order. A52014

Primes p such that (p-1)*(p+1)-+p are primes. A154939

Primes that are the first in a run of exactly 2 emirps. A346022

T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 3, 4 or 6 king-move neighboring 1s. A297020

Primes equal to a product of twin primes minus 1 divided by 2. A86870