Properties of the Number -30589

Thirty Thousand Five Hundred Eighty-Nine

Basics

Value: -30590 → -30589 → -30588

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 13 ² × 181

Divisors: 1, 13, 169, 181, 2353, 30589

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011101111101

Octal: -73575

Duodecimal: -15851

Hexadecimal: -777d

Square: 935686921

Square Root: 174.89711261195822

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 x/(1 - 5·x - 4·x²). A15537

a(n) = sigma₄(n²)/sigma₂(n²). A84218

G.f.: -1 + ∏_k>=1 (1 + prime(k)*x^prime(k)). A2099

Numbers whose base-b expansions, for both b=3 and b=4, include no digits other than 1 and b-1. A262958

Number of tilings of a 14 X n rectangle using 2n heptominoes of shape I. A250664

Strong pseudoprimes to base 19. A20245

Numbers k such that the sum of the k-th triangular number and (k+2)-nd triangular number is a triangular number. A76049

a(0)=1, a(1)=1, a(n) = 13·a(n/2) for n=2,4,6,..., a(n) = 12·a((n-1)/2) + a((n+1)/2) for n=3,5,7,.... A116524

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 249", based on the 5-celled von Neumann neighborhood. A271014

a(n) is the least term that is not a power of p, the n-th prime, in the sequence of numbers whose consecutive divisors have a ratio satisfying numerator - denominator = p-1. A280964