Properties of the Number -165165

One Hundred Sixty-Five Thousand One Hundred Sixty-Five

Basics

Value: -165166 → -165165 → -165164

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 11 ² × 13

Divisors: 1, 3, 5, 7, 11, 13, 15, 21, 33, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -101000010100101101

Octal: -502455

Duodecimal: -7B6B9

Hexadecimal: -2852d

Square: 27279477225

Square Root: 406.4049704420456

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

Numbers with exactly 5 distinct odd prime divisors {3,5,7,11,13}. A147578

Triangle of the elementwise product of binomial coefficients with q-binomial coefficients [n,k] for q = 3. A157640

G.f. A(x) satisfies: A(x) = 1 + x + x² + x³ * A(x)³. A346733

a(n) is least k such that k and 9k are anagrams in base n (written in base 10). A23101

a(n) = 165*(n+1)*binomial(n+4,11)/4. A27807

a(n) = 3*(n+1)*binomial(n+5,6). A27811

Boundaries of primorial intervals [1,3]; [3,9],[9,15]; [15,45], etc. A65917

Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k. A200090

a(n) = 5*(n+1)*binomial(n+4,6). A27802

Number of unlabeled, connected graphs on n vertices with at least one induced subgraph isomorphic to a K₄, where K₄ is the complete graph on four vertices. A243244