Properties of the Number -78721

Seventy-Eight Thousand Seven Hundred Twenty-One

Basics

Value: -78722 → -78721 → -78720

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 78721

Divisors: 1, 78721

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011001110000001

Octal: -231601

Duodecimal: -39681

Hexadecimal: -13381

Square: 6196995841

Square Root: 280.5726287434325

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 of the form 2ⁱ*3^j - (i+j) with i, j >= 0. A69356

a(n) is the least prime factor of (9·10^6·n-4 - 11) / 7. A122691