Properties of the Number 78017

Seventy-Eight Thousand Seventeen

Basics

Value: 78016 → 78017 → 78018

Parity: odd

Prime: Yes

Previous Prime: 78007

Next Prime: 78031

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 78017

Divisors: 1, 78017

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000011000001

Octal: 230301

Duodecimal: 39195

Hexadecimal: 130c1

Square: 6086652289

Square Root: 279.3152340993953

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

Smallest odd prime base q such that p⁴ divides q^p-1 - 1, where p = prime(n). A125645

Least number·such that xⁿ has n digits equal to k. Case k = 6. A285453

Primes of the form (p²-2)/7, where p is also a prime number. A165668

Expansion of (1-x)/(1-x+x²+2·x³). A78017

Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302383