Properties of the Number 66951

Sixty-Six Thousand Nine Hundred Fifty-One

Basics

Value: 66950 → 66951 → 66952

Parity: odd

Prime: No

Previous Prime: 66949

Next Prime: 66959

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 43 × 173

Divisors: 1, 3, 9, 43, 129, 173, 387, 519, 1557, 7439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010110000111

Octal: 202607

Duodecimal: 328B3

Hexadecimal: 10587

Square: 4482436401

Square Root: 258.7489130411952

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 k such that k concatenated with k+9 gives the product of two numbers which differ by 8. A116223

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 0, 1), (1, -1, 1), (1, 1, -1)}. A148487

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, 1), (0, 1, -1), (1, 0, -1), (1, 1, 1)}. A150932

Number of nonisomorphic connected graphs that can be drawn in the plane using n unit-length edges. A66951