Properties of the Number 84866

Eighty-Four Thousand Eight Hundred Sixty-Six

Basics

Value: 84865 → 84866 → 84867

Parity: even

Prime: No

Previous Prime: 84859

Next Prime: 84869

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 42433

Divisors: 1, 2, 42433, 84866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10100101110000010

Octal: 245602

Duodecimal: 41142

Hexadecimal: 14b82

Square: 7202237956

Square Root: 291.3176959952828

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

Number of integer partitions of n whose length (number of parts) is equal to the sum of some submultiset. A367212

Number of (n+2) X (7+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7. A251893

Numerator of the Harary number for the cycle graph C_n. A160046

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7. A251894

Primes that can be written in the form 2·p² + 3·q² with p and q prime. A84866

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 3 6 or 7. A252260