Properties of the Number -30590

Thirty Thousand Five Hundred Ninety

Basics

Value: -30591 → -30590 → -30589

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 7 × 19 × 23

Divisors: 1, 2, 5, 7, 10, 14, 19, 23, 35, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011101111110

Octal: -73576

Duodecimal: -15852

Hexadecimal: -777e

Square: 935748100

Square Root: 174.8999714122332

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

Expansion of ∑_k>=1 (-1)^k+1*k·x^k/(1 - k·x^k). A308366

Numbers k such that 2·A000217(k) + 1 is triangular. A216134

Sequences A006452 and A216134 interlaced. A216162

Triangle read by rows: matrix 4th power of the Stirling2 triangle A008277. A39812

Number of n-step self-avoiding walks on 7-D cubic lattice. A342883

G.f.: 1/(1 - x/(1 - x³/(1 - x⁴/(1 - x⁷/(1 - x¹¹/(1 - x¹⁸/(1 -...- x^Lucas(n)/(1 -...)))))))), a continued fraction. A206742

High temperature series for spin-1/2 Ising magnetic susceptibility on 7D simple cubic lattice. A30008

a(n) = 25·n² - n. A157514

Expansion of (1/x) * Series_Reversion( x / (1 + x⁴ * (1 + x)²) ). A389130

Numbers n such that φ(n)=reversal(n)+1. A137598