Properties of the Number 87489

Eighty-Seven Thousand Four Hundred Eighty-Nine

Basics

Value: 87488 → 87489 → 87490

Parity: odd

Prime: No

Previous Prime: 87481

Next Prime: 87491

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 9721

Divisors: 1, 3, 9, 9721, 29163, 87489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010111000001

Octal: 252701

Duodecimal: 42769

Hexadecimal: 155c1

Square: 7654325121

Square Root: 295.78539517697624

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

Rounded down ratio of area of a unit circle and one of the circles inscribed between a regular n-gon and a circumscribed unit circle. A244094

Difference between sum of largest parts and sum of smallest parts of all partitions of n into an odd number of parts. A211870

Number of n X 4 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s. A296309

Primes p such that 3^p - 2^p is composite. A87489