Properties of the Number 7165

Seven Thousand One Hundred Sixty-Five

Basics

Value: 7164 → 7165 → 7166

Parity: odd

Prime: No

Previous Prime: 7159

Next Prime: 7177

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 1433

Divisors: 1, 5, 1433, 7165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111111101

Octal: 15775

Duodecimal: 4191

Hexadecimal: 1bfd

Square: 51337225

Square Root: 84.64632301523794

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 5th-order maximal independent sets in path graph. A7380

Numbers n such that the decimal expansions of both n and n² have 1 as smallest digit and 7 as largest digit. A257210

a(n) = a(n-1) + a(m) for n >= 3, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = 2. A50049

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically. A207242

Partial sums of A363031. A363161

a(n) = PrimePi(n³) - PrimePi(n) * PrimePi(n²), where PrimePi = A000720. A291539

a(n) = Fibonacci(n) + n². A160536

Upper Beatty array of the golden ratio, (1+sqrt(5))/2. A181661

Expansion of 1/(1 - x² - x⁷). A369813

Sums of 11 distinct powers of 2. A38462