Properties of the Number 5641

Five Thousand Six Hundred Forty-One

Basics

Value: 5640 → 5641 → 5642

Parity: odd

Prime: Yes

Previous Prime: 5639

Next Prime: 5647

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5641

Divisors: 1, 5641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000001001

Octal: 13011

Duodecimal: 3321

Hexadecimal: 1609

Square: 31820881

Square Root: 75.1065909225016

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

Euclid-Mullin sequence (A000945) with initial value a(1)=5 instead of a(1)=2. A51308

Primes p such that p, p+6, p+12, p+18 are all primes. A23271

Artiads: the primes p == 1 (mod 5) for which Fibonacci((p-1)/5) is divisible by p. A1583

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 4,2]; short d-string notation of pattern = [642]. A78855

Primes of the form n² + 16. A243451

Primes such that the sum of the predecessor and successor primes is divisible by 19. A112804

Primes p for which the period of reciprocal 1/p is (p-1)/12. A56217

T(n,k)=Number of length n+5 0..k arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248489

Centered 4-dimensional orthoplex numbers (crystal ball sequence for 4-dimensional cubic lattice). A1846

Primes p such that (p+4)/5 is also prime. A136061