Properties of the Number -71067

Seventy-One Thousand Sixty-Seven

Basics

Value: -71068 → -71067 → -71066

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23689

Divisors: 1, 3, 23689, 71067

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001010110011011

Octal: -212633

Duodecimal: -35163

Hexadecimal: -1159b

Square: 5050518489

Square Root: 266.5839455031004

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

Number of acute triangles, distinct up to congruence, on an n X n grid (or geoboard). A190021

a(n) = prime(prime(n·n) - n·n) - n·n where prime(n) is the n-th prime. A141127