Properties of the Number 33005

Thirty-Three Thousand Five

Basics

Value: 33004 → 33005 → 33006

Parity: odd

Prime: No

Previous Prime: 32999

Next Prime: 33013

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 × 23 × 41

Divisors: 1, 5, 7, 23, 35, 41, 115, 161, 205, 287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000000011101101

Octal: 100355

Duodecimal: 17125

Hexadecimal: 80ed

Square: 1089330025

Square Root: 181.6727827716634

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

Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 5 sites wide. A58368

Start with a(1) = 1, a(2) = 1, then a(n)*3^k = a(n+1) + a(n+2), with 3^k the smallest power of 3 (k>0) such that all terms a(n) are positive integers. A233525

a(n) = 24·n² + 52·n + 29. A258721

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 219", based on the 5-celled von Neumann neighborhood. A270932

Number of maximal independent vertex sets (and minimal vertex covers) in the n-wheel graph. A290612

Every run of digits of n in base 7 has length 2. A33005

Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A305689