Properties of the Number -82639

Eighty-Two Thousand Six Hundred Thirty-Nine

Basics

Value: -82640 → -82639 → -82638

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 23 × 3593

Divisors: 1, 23, 3593, 82639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100001011001111

Octal: -241317

Duodecimal: -3B9A7

Hexadecimal: -142cf

Square: 6829204321

Square Root: 287.46999843461924

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 subsequences of {1..n} such that all differences of pairs of terms are distinct (i.e., number of Golomb rulers on {1..n}). A54578

a(2·n+1) = 9·a(n), a(2·n+2) = 10·a(n) + a(n-1). A116555