Properties of the Number -13239

Thirteen Thousand Two Hundred Thirty-Nine

Basics

Value: -13240 → -13239 → -13238

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1471

Divisors: 1, 3, 9, 1471, 4413, 13239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001110110111

Octal: -31667

Duodecimal: -77B3

Hexadecimal: -33b7

Square: 175271121

Square Root: 115.06085346459064

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

Number of partitions p of n such that max(p)-min(p) = 6. A218569

Partial sums of PartitionsP of Fibonacci numbers. A152477

The Pnictogen sequence: a(n) = A018227(n)-3. A271995

G.f. A(x) satisfies: A(x) = (1/(1 - x)) * A(x³)*A(x⁵)*A(x⁷)* ... *A(x^2·k-1)* ... A308283

Number of graphs on n nodes with 3 cliques. A5289

Numbers k such that σ(k-3) + σ(k+3) = σ(2·k). A67129

Integers k such that 10^k + 33 is prime. A107084

Numbers k for which digitsum(k) + digitsum(k²) + digitsum(k³) = digitsum(k⁴). A118470

Number of distinct solutions of sum{i=1..3}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1. A180785

Composite Flavius' numbers (A000960) whose prime factors are again Flavius' numbers. A181489