Properties of the Number 66603

Sixty-Six Thousand Six Hundred Three

Basics

Value: 66602 → 66603 → 66604

Parity: odd

Prime: No

Previous Prime: 66601

Next Prime: 66617

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 149 ²

Divisors: 1, 3, 149, 447, 22201, 66603

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010000101011

Octal: 202053

Duodecimal: 32663

Hexadecimal: 1042b

Square: 4435959609

Square Root: 258.0755703277627

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

Numbers p²*q, p > q odd primes such that q divides p+1. A350245

3p² where p runs through the primes. A79705

Numerators of continued fraction convergents to sqrt(587). A42124

Number of unlabeled 9-gonal 2-trees with n 9-gons. A94653

q-Expansion of wedge character χ²(q). A288578

Numerator of Euler(n, 4/11). A156315

Number of 2 X 2 matrices having all terms in {1,...,n} and determinant in [-n,n]. A211069

Array read by antidiagonals: T(n,k) is the number of unlabeled k-gonal 2-trees with n polygons, n >= 0, k >= 2. A340811

a(n) = 5ⁿ mod n. A66603

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4. A197276