Properties of the Number 93891

Ninety-Three Thousand Eight Hundred Ninety-One

Basics

Value: 93890 → 93891 → 93892

Parity: odd

Prime: No

Previous Prime: 93889

Next Prime: 93893

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 17 × 263

Divisors: 1, 3, 7, 17, 21, 51, 119, 263, 357, 789

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110111011000011

Octal: 267303

Duodecimal: 46403

Hexadecimal: 16ec3

Square: 8815519881

Square Root: 306.4163833739965

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + b(n-3), where a(0) = 1, a(1) = 2, a[2] = 3, b(0) = 4, b(1) = 5, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences. A295365

Numbers k such that k and k² use only the digits 1, 3, 5, 8 and 9. A137036

[ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}. A24389

Number of ways to place 6 non-attacking ferses on an n X n board. A201247

Numbers k such that every prime up to σ(k) is a sum of divisors of k. A93891