Properties of the Number 9591

Nine Thousand Five Hundred Ninety-One

Basics

Value: 9590 → 9591 → 9592

Parity: odd

Prime: No

Previous Prime: 9587

Next Prime: 9601

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 23 × 139

Divisors: 1, 3, 23, 69, 139, 417, 3197, 9591

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10010101110111

Octal: 22567

Duodecimal: 5673

Hexadecimal: 2577

Square: 91987281

Square Root: 97.93365100924197

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

a(n) = p*(p-1)/2 for p = prime(n). A8837

a(n) = (2·n-1)*(4·n-1). A33567

Positive integers not expressible as the sum of a prime and a triangular number. A76768

Triangular numbers representable as x·y+x+y such that·and y are triangular numbers, x>=y>1. A259746

Number of non-isomorphic multiset partitions of weight n in which the part sizes are relatively prime. A321283

Numbers n such that nextprime(n³)-prevprime(n³) = 4. A90121

One-sixth the area of the smallest primitive d-arithmetic triangle, where d=A072330(n). A72360

Triangular numbers that are products of three distinct primes. A128896

Triangular numbers with only odd digits. A117960

Triangular numbers n for which A240542(n) = A240542(n-1). A298856