Properties of the Number 66158

Sixty-Six Thousand One Hundred Fifty-Eight

Basics

Value: 66157 → 66158 → 66159

Parity: even

Prime: No

Previous Prime: 66137

Next Prime: 66161

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 19 × 1741

Divisors: 1, 2, 19, 38, 1741, 3482, 33079, 66158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001001101110

Octal: 201156

Duodecimal: 32352

Hexadecimal: 1026e

Square: 4376880964

Square Root: 257.2119748378757

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

Triangle of the number of alternating sign matrices according to the number of -1's. A180512

Consider the 2^n-1 monic polynomials f(x) with coefficients 0 or 1, degree n and f(0)=1. Sequence gives triangle read by rows, in which T(n,k) (n>=1) is the number of such polynomials of thickness k (2 <= k <= n+1). A169940

Number of fixed polyominoes with n cells and tree-like structure. A66158