Properties of the Number 41026

Forty-One Thousand Twenty-Six

Basics

Value: 41025 → 41026 → 41027

Parity: even

Prime: No

Previous Prime: 41023

Next Prime: 41039

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 73 × 281

Divisors: 1, 2, 73, 146, 281, 562, 20513, 41026

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010000001000010

Octal: 120102

Duodecimal: 1B8AA

Hexadecimal: a042

Square: 1683132676

Square Root: 202.5487595617411

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 binomial(4k, k) + 1 is prime. A125241

The number of vertices on a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A340686

Irregular triangle read by rows: T(n,k) is number of sequences of length k over {0,1,...,n-1} containing no two consecutive blocks with the same average, n >= 1, 0 <= k <= A379914(n). A379998

Numbers k such that 8·10^k - 13 is prime. A287208

Start from the singleton set S = {n}, and unless 1 is already a member of S, generate on each iteration a new set where each odd number k is replaced by 3k+1, and each even number k is replaced by 3k+1 and k/2. a(n) is the size of the set after the first iteration which has produced 1 as a member. A290100

Numerators of continued fraction convergents to sqrt(18). A41026

Number of (n+1)X(n+1) -10..10 symmetric matrices with every 2X2 subblock having sum zero and two or three distinct values. A211816