Properties of the Number -30765

Thirty Thousand Seven Hundred Sixty-Five

Basics

Value: -30766 → -30765 → -30764

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 7 × 293

Divisors: 1, 3, 5, 7, 15, 21, 35, 105, 293, 879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100000101101

Octal: -74055

Duodecimal: -15979

Hexadecimal: -782d

Square: 946485225

Square Root: 175.39954389906492

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 (w,x,y,z) with all terms in {1,...,n} and 2·w*x<3·y*z. A211920

G.f.: ∑_n>=0 (2 + (1+x)ⁿ)ⁿ / (3 + (1+x)ⁿ)ⁿ⁺¹. A302614

Position of second appearance of 2n in the sequence of prime gaps A001223; if 2n does not appear at least twice, a(n) = -1. A356221

a(n) is the least positive integer k such that g(k) = n·g(k-1), where g(k) = prime(k+1) - prime(k). A78563

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 0111-1100-0111 pattern in any orientation. A147374