Properties of the Number 43126

Forty-Three Thousand One Hundred Twenty-Six

Basics

Value: 43125 → 43126 → 43127

Parity: even

Prime: No

Previous Prime: 43117

Next Prime: 43133

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 21563

Divisors: 1, 2, 21563, 43126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010100001110110

Octal: 124166

Duodecimal: 20B5A

Hexadecimal: a876

Square: 1859851876

Square Root: 207.66800427605597

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 nX7 0..1 arrays with every element unequal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A304140

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

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A304141

Numbers k such that 2 and 4 occur juxtaposed in the base-6 representation of k but not of k-1. A43126