Properties of the Number -1229305

Two Hundred Twenty-Nine Thousand Three Hundred Five

Basics

Value: -1229306 → -1229305 → -1229304

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 11 × 31 × 103

Divisors: 1, 5, 7, 11, 31, 35, 55, 77, 103, 155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101100000111111001

Octal: -4540771

Duodecimal: -4B34A1

Hexadecimal: -12c1f9

Square: 1511190783025

Square Root: 1108.740276169311

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

Expansion of 1/(1 - x⁶/(1-x)⁷). A369809

Area ar/6 (divided by 6) of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q²-p², c=q²+p², b=2·p*q, ar=a·b/2; s=a+b+c, s-+1 are primes. A155177

a(n) = ∑_{k=0..floor(n/2)} binomial(k+1,3·n-6·k+1). A392673