Properties of the Number 83985

Eighty-Three Thousand Nine Hundred Eighty-Five

Basics

Value: 83984 → 83985 → 83986

Parity: odd

Prime: No

Previous Prime: 83983

Next Prime: 83987

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 11 × 509

Divisors: 1, 3, 5, 11, 15, 33, 55, 165, 509, 1527

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100000010001

Octal: 244021

Duodecimal: 40729

Hexadecimal: 14811

Square: 7053480225

Square Root: 289.8016563099666

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

If k is a number with exactly two distinct decimal digits, say a and b, neither of which is 0 (i.e., a member of A101594), define the self-complement of k, SC(k), to be the number obtained by replacing a with b and vice versa. Then a(n) = gcd(A101594(n), SC(A101594(n))). A83985