Properties of the Number 72166

Seventy-Two Thousand One Hundred Sixty-Six

Basics

Value: 72165 → 72166 → 72167

Parity: even

Prime: No

Previous Prime: 72161

Next Prime: 72167

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 36083

Divisors: 1, 2, 36083, 72166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100111100110

Octal: 214746

Duodecimal: 3591A

Hexadecimal: 119e6

Square: 5207931556

Square Root: 268.6373019519069

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

Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array. A219768

Triangle in which first row is {1}; to get n-th row take first n numbers greater than last number in previous row which are congruent to 1 (mod n). A72166