Properties of the Number 33681

Thirty-Three Thousand Six Hundred Eighty-One

Basics

Value: 33680 → 33681 → 33682

Parity: odd

Prime: No

Previous Prime: 33679

Next Prime: 33703

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 103 × 109

Divisors: 1, 3, 103, 109, 309, 327, 11227, 33681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000001110010001

Octal: 101621

Duodecimal: 175A9

Hexadecimal: 8391

Square: 1134409761

Square Root: 183.52384041317356

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

Fibonacci sequence beginning 5, 18. A22142

Number of (n+2)X(5+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order. A253022

Number of 3 X n 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 2 neighboring 1s. A297300

a(1) = 3; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A33681