Properties of the Number -8390

Three Hundred Ninety

Basics

Value: -8391 → -8390 → -8389

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 839

Divisors: 1, 2, 5, 10, 839, 1678, 4195, 8390

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000011000110

Octal: -20306

Duodecimal: -4A32

Hexadecimal: -20c6

Square: 70392100

Square Root: 91.59694318043589

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 ∏_j>=1 (1 - x^j)/(1 - x^3·j)³. A286952

Triangle P, read by rows, where column k of P² equals column 0 of P^2k+2 such that column 0 of P² equals column 0 of P shift one place left, with P(0,0)=1. A135880

Numbers k such that σ(k) = σ(k+8). A15876

Column 0 of triangle A135880. A135881

Triangle R, read by rows, where column k of R equals column 0 of P^2k+1 where P=A135880. A135894

Number of integer partitions of n such that every pair of distinct parts has a different product. A325856

Sum of the smallest parts of the partitions of 4n into 4 parts with smallest part greater than 1. A238706

Number of linear spaces on n (labeled) points. A56642

Triangle Q, read by rows, where column k of Q equals column 0 of Q^k+1 and Q is equal to the matrix square of integer triangle P = A135880 such that column 0 of Q equals column 0 of P shift left. A135885

Numbers that are the sum of ten fourth powers in nine or more ways. A345602