Properties of the Number -1755

Seven Hundred Fifty-Five

Basics

Value: -1756 → -1755 → -1754

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 13

Divisors: 1, 3, 5, 9, 13, 15, 27, 39, 45, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011011011

Octal: -3333

Duodecimal: -1023

Hexadecimal: -6db

Square: 3080025

Square Root: 41.892720131306824

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

a(n) = 13·a(n-1) - 65·a(n-2) + 156·a(n-3) - 182·a(n-4) + 91·a(n-5) - 13·a(n-6). A216801

Expansion of (1 - x)/(1 + x - x² + 2·x³). A78043

Fibonacci matrix read by antidiagonals. (Inverse of A136158.) A164948

Years in which a transit of Venus (as seen from Earth) took place or is expected to occur, according to the catalog by Fred Espenak. A171467

Expansion of a(q) * b(q)³ in powers of q where a(), b() are cubic AGM θ functions. A215711

A Chebyshev polynomial triangle of the first kind defined by T(n+1,x) = 3x·T(n,x) - T(n-1,x). A136159

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood. A270235

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 209", based on the 5-celled von Neumann neighborhood. A270894

Numbers that are the sum of 6 positive 5th powers. A3351

a(n) = n*(n + 6). A28560