Properties of the Number 66538

Sixty-Six Thousand Five Hundred Thirty-Eight

Basics

Value: 66537 → 66538 → 66539

Parity: even

Prime: No

Previous Prime: 66533

Next Prime: 66541

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 17 × 19 × 103

Divisors: 1, 2, 17, 19, 34, 38, 103, 206, 323, 646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001111101010

Octal: 201752

Duodecimal: 3260A

Hexadecimal: 103ea

Square: 4427305444

Square Root: 257.9496074817715

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

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of ∏_j>=1 1/(1-j^k·j*x^j) in powers of x. A294758

Sum of the digits of the n-th Mersenne prime (A000668). A66538