Properties of the Number -1730

Seven Hundred Thirty

Basics

Value: -1731 → -1730 → -1729

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 173

Divisors: 1, 2, 5, 10, 173, 346, 865, 1730

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011000010

Octal: -3302

Duodecimal: -1002

Hexadecimal: -6c2

Square: 2992900

Square Root: 41.593268686170845

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

Coefficients of the '6th-order' mock θ function λ(q). A53272

G.f. satisfies A(x) = (1 + x·A(x)) * (1 - x·A(x)²). A364374

a(n) = 2^φ(n) - ∑_j=0..n binomial(φ(n), φ(j)). A73318

Imbalance of the number of parts of all partitions of n. A194796

A triangular sequence of coefficients of the expansion of a Green's function for the radial Morse potential with·being the kinetic energy and t being the radius: Hamiltonian; H=K+V=x+Exp[-2·t]-2·Exp[t];G·Exp[t·x)=Exp[x·t]/(t-H); p(t,x)=Exp[t·x]/(t-x-Exp[-2·t] + 2·Exp[-t]). A138160

11-gonal (or hendecagonal) numbers: a(n) = n*(9·n-7)/2. A51682

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.3.4.3.4 2D tiling (cf. A219529). A299255

Coordination sequence for "crs" 3D uniform tiling formed from tetrahedra and truncated tetrahedra. A299268

Generalized 11-gonal (or hendecagonal) numbers: m*(9·m - 7)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195160

a(n) = (n+1)*(n² +8·n +6)/6. Number of n-dimensional partitions of 4. Number of terms in 4th derivative of a function composed with itself n times. A8778