Properties of the Number 41385

Forty-One Thousand Three Hundred Eighty-Five

Basics

Value: 41384 → 41385 → 41386

Parity: odd

Prime: No

Previous Prime: 41381

Next Prime: 41387

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 31 × 89

Divisors: 1, 3, 5, 15, 31, 89, 93, 155, 267, 445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010000110101001

Octal: 120651

Duodecimal: 1BB49

Hexadecimal: a1a9

Square: 1712718225

Square Root: 203.4330356653019

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, read by rows, where T(n,k) equals the dot product of the vector of terms in row n-1 from T(n-1,k) to T(n-1,n-1) with the vector of terms in column k+1 from T(k+1,k+1) to T(n,k+1): T(n,k) = ∑_j=0..n-k-1 T(n-1,j+k)*T(j+k+1,k+1) for n>k+1>0, with T(n,n) = 1 and T(n,n-1) = n (n>=1). A115085

a(n) = n*(n+1)*(n²+5·n+18)/24. A51744

Column 2 of triangle A115085. A115088

Triangular array: the fission of ((2x+1)ⁿ) by (q(n,x)), where q(n,x)=xⁿ+x^n-1+...+x+1. A193860

Mirror of the triangle A193860. A193861

a(n) is the number of ternary strings of length n with at least three 0's. A345954

Numbers whose set of base-14 digits is {1,2}. A32934

Number of nX5 0..1 arrays with every element equal to 1, 2 or 4 king-move adjacent elements, with upper left element zero. A297855

Expansion of (1-3·x+6·x²-5·x³+3·x⁴-x⁵)/(1-x)⁶. A89830

Denominators of continued fraction convergents to sqrt(207). A41385