Properties of the Number 20607

Twenty Thousand Six Hundred Seven

Basics

Value: 20606 → 20607 → 20608

Parity: odd

Prime: No

Previous Prime: 20599

Next Prime: 20611

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 6869

Divisors: 1, 3, 6869, 20607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000001111111

Octal: 50177

Duodecimal: BB13

Hexadecimal: 507f

Square: 424648449

Square Root: 143.55138452832838

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

Hyper-Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference). A193392

Integers of the form 8k+7 that can be written as a sum of four distinct squares of the form m, m+2, m+4, m+5, where m == 1 (mod 4). A243579

G.f. A(x) satisfies: A(x)³ = 1+x + x*(A(x)⁵ + A(x)⁷). A295810

Smallest nonempty set S containing prime divisors of 7k + 1 for each k in S. A20607