Properties of the Number -1761

Seven Hundred Sixty-One

Basics

Value: -1762 → -1761 → -1760

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 587

Divisors: 1, 3, 587, 1761

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011100001

Octal: -3341

Duodecimal: -1029

Hexadecimal: -6e1

Square: 3101121

Square Root: 41.96427051671457

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

sin(arcsinh(x)+tan(x))=2·x-7/3!*x³+17/5!*x⁵-1761/7!*x⁷... A13092

Values of n such that L(17) and N(17) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227520

G.f.: Re(1/(1 + i·x/(1 + i·x²/(1 + i·x³/(1 + i·x⁴/(1 + i·x⁵/(1 + ...))))))), a continued fraction, where i is the imaginary unit. A293268

Partial sums of A299259. A299265

a(n) = n² - 3. A28872

Numbers k such that k, k+1 and k+2 are products of two primes. A56809

Numbers k such that k, k+1 and k+2 have the same number of divisors. A5238

Number of partitions of n in which the greatest part is 10. A26816

Smallest of three consecutive squarefree numbers k, k+1, k+2 of the form p·q where p and q are distinct primes. A39833

T(n,m) equals number of solid partitions of n containing m plane partitions. A94504