Properties of the Number 84987

Eighty-Four Thousand Nine Hundred Eighty-Seven

Basics

Value: 84986 → 84987 → 84988

Parity: odd

Prime: No

Previous Prime: 84979

Next Prime: 84991

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 19 × 71

Divisors: 1, 3, 7, 9, 19, 21, 57, 63, 71, 133

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101111111011

Octal: 245773

Duodecimal: 41223

Hexadecimal: 14bfb

Square: 7222790169

Square Root: 291.52529907368245

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

Duplicate of A083185. A84987

a(n) is the smallest number k for which the smallest part of the symmetric representation of σ of k, SRS(k), has size n. If no such number exists, a(n) = -1. A386608