Properties of the Number -615043

Six Hundred Fifteen Thousand Forty-Three

Basics

Value: -615044 → -615043 → -615042

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 ² × 13 × 17 × 23

Divisors: 1, 11, 13, 17, 23, 121, 143, 187, 221, 253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010110001010000011

Octal: -2261203

Duodecimal: -257B17

Hexadecimal: -96283

Square: 378277891849

Square Root: 784.2467723873654

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

Triangle T(n,k) (n >= k >= 0) read by rows: T(n,0) = (1+(-1)ⁿ)/2; for k>=1, set T(0,k) = 0, S(n,k) = binomial(n,k)*binomial(n+k+1,k), and for n>=1, T(n,k) = S(n,k)-T(n-1,k). A331432

a(n) = ((2·n-1)!/(2·n!*(n-2)!))*((n³-3·n²+2·n+2)/(n²-1)). A2739