Properties of the Number -66494

Sixty-Six Thousand Four Hundred Ninety-Four

Basics

Value: -66495 → -66494 → -66493

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 33247

Divisors: 1, 2, 33247, 66494

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000001110111110

Octal: -201676

Duodecimal: -32592

Hexadecimal: -103be

Square: 4421452036

Square Root: 257.864305401116

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

a(n)=1+(1/12)(n*(n+1)*(n+3)*(4-n)). A80260

T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order. A222649

Expansion of 1/G(1) where G(k) = 1 - (q*(1+q))^k / G(k+1). A238436

Diagonal sums of correlation triangle for Catalan numbers. A115254

Number of nX3 0..2 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order. A222644

Semiprimes with only semiprime digits, each appearing at least once. A349275