Properties of the Number 41890

Forty-One Thousand Eight Hundred Ninety

Basics

Value: 41889 → 41890 → 41891

Parity: even

Prime: No

Previous Prime: 41887

Next Prime: 41893

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 59 × 71

Divisors: 1, 2, 5, 10, 59, 71, 118, 142, 295, 355

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001110100010

Octal: 121642

Duodecimal: 202AA

Hexadecimal: a3a2

Square: 1754772100

Square Root: 204.67046684854168

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

Distinct values of A378664(k) in the order of appearance, when k ranges over those primitively abundant numbers k for which A378664(k) is less than the largest proper divisor of k. A378740

McKay-Thompson series of class 23A for Monster. A58570

McKay-Thompson series of class 23A for the Monster group with a(0) = 1. A134781

Nonprime numbers k such that σ(k) - ∑_j=1..m{σ(k) mod d_j} | k, where d_j is one of the m divisors of k. A282774

(k²)-th k-smooth number for k = prime(n). A133581

Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7. A252272

Variation of Stechkin's function, A055004. A62827

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7. A252278

Numerators of continued fraction convergents to sqrt(467). A41890