Properties of the Number -7208

Two Hundred Eight

Basics

Value: -7209 → -7208 → -7207

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 17 × 53

Divisors: 1, 2, 4, 8, 17, 34, 53, 68, 106, 136

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110000101000

Octal: -16050

Duodecimal: -4208

Hexadecimal: -1c28

Square: 51955264

Square Root: 84.8999411071645

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

Inverse of binomial transform of Whitney triangle. A97761

Number of reduced words of length n in the Weyl group D₈. A162211

Triangle read by rows: T(n,k) is the number of normal sequences of length n whose standard factorization into Lyndon words (aperiodic necklaces) has k factors. A296372

Number of integer partitions y of n such that ∏_{i in y} prime(i)/i is an integer. A324925

a(n) = prime(n)*T(n), where T = A000217. A196421

a(n) = A351477(n) * FA where F is the Fermat point of a primitive integer-sided triangle ABC with A < B < C < 2*π/3 and FA + FB + FC = A336329(n). A351801

Number of 6-valent trees with n nodes. A36653

Numbers n such that n⁴+1 and n⁴+3 are twin primes. A127871

a(n) = (2·n + 1)*(5·n + 6). A153127

Number of undirected circular permutations i₁,...,i_n-1 of 1,...,n-1 with i₁-i₂, ..., i_n-2-i_n-1, i_n-1-i₁ pairwise distinct modulo n. A228762