Properties of the Number 33165

Thirty-Three Thousand One Hundred Sixty-Five

Basics

Value: 33164 → 33165 → 33166

Parity: odd

Prime: No

Previous Prime: 33161

Next Prime: 33179

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 11 × 67

Divisors: 1, 3, 5, 9, 11, 15, 33, 45, 55, 67

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000000110001101

Octal: 100615

Duodecimal: 17239

Hexadecimal: 818d

Square: 1099917225

Square Root: 182.11260252931427

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

The ED4 array read by antidiagonals. A167584

a(n) is the concatenation of n and 5n. A19553

Composites that are the sum of two, three, four and five consecutive composite numbers. A151745

A sequence derived from pentagonal numbers, or a Stirling number of the first kind matrix. A94952

The fifth row of the ED4 array A167584: 80·n⁴ + 952·n² - 768·n + 525. A167587

Triangle of coefficients, read by rows, where T(n,k) is the coefficient of xⁿ*y^k in f(x,y) that satisfies f(x,y) = (3-sqrt(1-4x))/2 + xy·f(x,y)³. A86636

Expansion of e.g.f. sin( 2 * (exp(x) - 1) )/2. A357738

Numbers k with the property that the set of decimal digits of k matches the set of first digits of the prime factors of k. A359491

T(n, k) is the total number of symmetric peaks in all partitions of n with exactly k blocks, n >= 3, 2 <= k <= n-1. A373288

G.f. A(x) satisfies 1 - x = ∑_n=-oo..+oo (x^2·n - A(x))ⁿ. A377249