Properties of the Number 78461

Seventy-Eight Thousand Four Hundred Sixty-One

Basics

Value: 78460 → 78461 → 78462

Parity: odd

Prime: No

Previous Prime: 78439

Next Prime: 78467

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 31 × 2531

Divisors: 1, 31, 2531, 78461

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001001111101

Octal: 231175

Duodecimal: 394A5

Hexadecimal: 1327d

Square: 6156128521

Square Root: 280.108907391393

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

Integers k such that for all m>k, d(m)/m < d(k)/k where d(j) = Min_{p & q odd primes, 2·j = p+q, p <= q} (q-p)/2. A335297

a(n) = 0 if n is divisible by the square of odd prime, a(n) = 1 if n is an odd squarefree number, a(n) = 2 otherwise. A78461