Properties of the Number 8119

Eight Thousand One Hundred Nineteen

Basics

Value: 8118 → 8119 → 8120

Parity: odd

Prime: No

Previous Prime: 8117

Next Prime: 8123

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 23 × 353

Divisors: 1, 23, 353, 8119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110110111

Octal: 17667

Duodecimal: 4847

Hexadecimal: 1fb7

Square: 65918161

Square Root: 90.10549372818508

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

Pell-Lucas numbers: numerators of continued fraction convergents to sqrt(2). A1333

NSW numbers: a(n) = 6·a(n-1) - a(n-2); also a(n)² - 2·b(n)² = -1 with b(n) = A001653(n+1). A2315

Octahedral numbers: a(n) = n*(2·n² + 1)/3. A5900

Expansion of (1+x)/(1-2·x-x²). A78057

a(n) = (2·n - 1)*(8·n² - 8·n + 3)/3. A63496

Expansion of (1+x²)/((1-x)²*(1-x²)²). A5993

Interleave denominators (A000129) and numerators (A001333) of convergents to sqrt(2). A2965

Numbers k such that the concatenation of k with k+2 gives a square. A115426

a(1) = 1, a(2) = 2; a(2·k) = 2·a(2·k-1) - a(2·k-2), a(2·k+1) = 4·a(2·k) - a(2·k-1). A84068

A005319 and A002315 interleaved. A143608