Properties of the Number 8390

Eight Thousand Three Hundred Ninety

Basics

Value: 8389 → 8390 → 8391

Parity: even

Prime: No

Previous Prime: 8389

Next Prime: 8419

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

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

Numbers that are the sum of ten fourth powers in exactly nine ways. A345861