Properties of the Number -33365

Thirty-Three Thousand Three Hundred Sixty-Five

Basics

Value: -33366 → -33365 → -33364

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 6673

Divisors: 1, 5, 6673, 33365

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000001001010101

Octal: -101125

Duodecimal: -17385

Hexadecimal: -8255

Square: 1113223225

Square Root: 182.6608879864543

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 tilings of an equilateral triangle of side length n with unit triangles (of side length 1) and exactly three unit "lozenges" or "diamonds" (also of side length 1). A326368

a(n) = T(n,2n-4), T given by A027023. A27028

Number of set partitions of [n] such that 5 is the largest element of the last block. A271744

Number of set partitions of [n+7] such that n is the largest element of the last block. A271758

Numbers k such that k and k² use only the digits 1, 2, 3, 5 and 6. A136974

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 15. A51980

a(n) = prime(prime(n·n) - n·n) - n·n where prime(n) is the n-th prime. A141127