Properties of the Number -65930

Sixty-Five Thousand Nine Hundred Thirty

Basics

Value: -65931 → -65930 → -65929

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 19 × 347

Divisors: 1, 2, 5, 10, 19, 38, 95, 190, 347, 694

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000000110001010

Octal: -200612

Duodecimal: -321A2

Hexadecimal: -1018a

Square: 4346764900

Square Root: 256.7683781153746

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 k such that binomial(2k,k)+1 is prime. A66699

The number of regions inside a pentagram formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A331906

a(n) is the sum, over all overpartitions of n, of the non-overlined parts. A335651

a(n) = ∑_k=1..n binomial(k+3,3) * floor(n/k). A366985