Properties of the Number 91386

Ninety-One Thousand Three Hundred Eighty-Six

Basics

Value: 91385 → 91386 → 91387

Parity: even

Prime: No

Previous Prime: 91381

Next Prime: 91387

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5077

Divisors: 1, 2, 3, 6, 9, 18, 5077, 10154, 15231, 30462

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010011111010

Octal: 262372

Duodecimal: 44A76

Hexadecimal: 164fa

Square: 8351400996

Square Root: 302.3011743278547

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

a(n) = ∑_d∣n A007955(d) where A007955(m) = product of divisors of m. A175317

Principal diagonal of the convolution array A213771. A213772

Number of 2Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A241436

Number of compositions (ordered partitions) of n into distinct parts not greater than n/2. A368501

Solution to the merit factor problem. A91386