Properties of the Number -1370

Three Hundred Seventy

Basics

Value: -1371 → -1370 → -1369

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 137

Divisors: 1, 2, 5, 10, 137, 274, 685, 1370

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101011010

Octal: -2532

Duodecimal: -962

Hexadecimal: -55a

Square: 1876900

Square Root: 37.013511046643494

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

Dirichlet inverse of sigma₂ function (A001157). A53822

Dirichlet g.f.: ζ(2·s) / (ζ(s) * ζ(s-2)). A328639

Expansion of (1/3) * b(q) * b(q²) * c(q)² / c(q²) in powers of q where b(), c() are cubic AGM functions. A132000

Coefficients of expansion of 1/xi₀(y) (see A195980 for definition). A195981

Expansion of ψ(-x)⁶ in powers of·where ψ() is a Ramanujan θ function. A213791

Triangle read by rows: T(n,k) = coefficient of x^k in the polynomial p[n,x] defined by p[0,x]=1, p[1,x]=1+x and p[n,x]=(1+x)(2-x)(3-x)...(n-x) for n >= 2 (0 <= k <= n). A123361

Expansion of ∑_k>0 x^4·k/(1+x^k)⁵. A363618

E..g.f. exp(tanh(x)/exp(x)). A9276

Expansion of (χ(-q³)⁸ + 16·q²/ χ(-q³)⁸)^1/8 in powers of q where χ() is a Ramanujan θ function. A106204

a(n) = n² + 1. A2522