Properties of the Number 6847

Six Thousand Eight Hundred Forty-Seven

Basics

Value: 6846 → 6847 → 6848

Parity: odd

Prime: No

Previous Prime: 6841

Next Prime: 6857

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 41 × 167

Divisors: 1, 41, 167, 6847

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101010111111

Octal: 15277

Duodecimal: 3B67

Hexadecimal: 1abf

Square: 46881409

Square Root: 82.74660113865706

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

Crystal ball sequence for hexagonal close-packing. A7202

Second 10-gonal (or decagonal) numbers: n*(4·n+3). A33954

a(0) = 1, a(n) = 5·n² + 2 for n>0. A10001

Expansion of g.f. (1-sqrt(1-4·x-4·x²))/(2*(1+x)). A52709

Cardinality of set of sets of parts of all partitions of n. A88314

Numbers k such that 2^k + 11 is prime. A102633

Composite numbers generated by the Euler polynomial x² + x + 41. A145292

Discriminants of imaginary quadratic fields with class number 26 (negated). A351664

T(n,k)=Half the number of nXk binary arrays with no 1 having an adjacent 1 both above and to its left. A184761

Semiprimes generated by the Euler polynomial x² + x + 41. A228183