Properties of the Number 41825

Forty-One Thousand Eight Hundred Twenty-Five

Basics

Value: 41824 → 41825 → 41826

Parity: odd

Prime: No

Previous Prime: 41813

Next Prime: 41843

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 7 × 239

Divisors: 1, 5, 7, 25, 35, 175, 239, 1195, 1673, 5975

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001101100001

Octal: 121541

Duodecimal: 20255

Hexadecimal: a361

Square: 1749330625

Square Root: 204.5116133621756

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 A145768(k) is a square. A145827

T(n,k) = Number of n X k 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X (k+1) binary array having determinant equal to one. A227751

G.f. A(x) satisfies: A(x) = A( x² + 10·x*A(x)² )^1/2, with A(0)=0, A'(0)=1. A271957

Define sequence S(a₀,a₁) by a_n+2 is least integer such that a_n+2/a_n+1>a_n+1/a_n for n >= 0. This is S(3,4). A18908

Pisot sequence L(6,10). A48587

Expansion of (2-x-x²-x³)/((1-x)*(1-x²-x³)). A52954

Coefficients of (x^1/4*d/dx)ⁿ for n positive integer. A223534

Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having determinant equal to one. A227747

Sum of every third term of the Padovan sequence A000931. A329244

a(n)=the sum of the (1,2)- and (1,3)-entries of the matrix Pⁿ + Tⁿ, where the 3 X 3 matrices P and T are defined by P=[0,1,0;0,0,1;1,0,0] and T=[0,1,0;0,0,1;1,1,0]. A109524