Properties of the Number -80017

Eighty Thousand Seventeen

Basics

Value: -80018 → -80017 → -80016

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 23 × 71

Divisors: 1, 7, 23, 49, 71, 161, 497, 1127, 1633, 3479

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011100010010001

Octal: -234221

Duodecimal: -3A381

Hexadecimal: -13891

Square: 6402720289

Square Root: 282.8727629164745

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

Variant of Lucas numbers: a(n) = a(n-1) + 4·a(n-2) starting with a(0)=2 and a(1)=1. A72265

Numbers k such that σ(k) = ψ(k) + τ(k)³. A390297

Sum of column entries of the table with rows of prime numbers (2,3,0,0,...), (0,5,7,11,0,...), (0,0,13,17,19,23,0,...), (0,0,0,29,31,37,41,43,0,...), ... A238760

Erroneous version of A000940. A4577

Duplicate of A072265. A85488