Properties of the Number 66043

Sixty-Six Thousand Forty-Three

Basics

Value: 66042 → 66043 → 66044

Parity: odd

Prime: No

Previous Prime: 66041

Next Prime: 66047

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 211 × 313

Divisors: 1, 211, 313, 66043

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000111111011

Octal: 200773

Duodecimal: 32277

Hexadecimal: 101fb

Square: 4361677849

Square Root: 256.9883265831349

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

Sum of the prime parts in the partitions of n into 8 parts. A309469

Number of n X 4 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order. A166805

Number of (n+2)X(7+2) 0..1 arrays x(i,j) with every row sum{j·x(i,j), j=1..7+2} equal, and every column sum{i·x(i,j), i=1..n+2} equal, with upper left element zero. A232653

Numbers k such that 3·R_k+2 + 5·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A257026

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays x(i,j) with every row sum{j·x(i,j), j=1..k+2} equal, and every column sum{i·x(i,j), i=1..n+2} equal, with upper left element zero. A232654

a(1) = 1; for m > 0, a(2m) = 2m, a(2m+1) = 4m+2. A66043