Properties of the Number 41004

Forty-One Thousand Four

Basics

Value: 41003 → 41004 → 41005

Parity: even

Prime: No

Previous Prime: 40993

Next Prime: 41011

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 17 × 67

Divisors: 1, 2, 3, 4, 6, 9, 12, 17, 18, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010000000101100

Octal: 120054

Duodecimal: 1B890

Hexadecimal: a02c

Square: 1681328016

Square Root: 202.49444436823447

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

Non-palindromes numbers not ending in 0 whose square is the product of a number and its reverse in only one way. A325151

G.f. satisfies A(x) = 1 + x·A(x)/(1 - x⁴*A(x)³). A365245

a(n) = (5·n+1)*(5·n+4). A1545

a(n) = 18*(n - 2)*(2·n - 5). A60787

Numbers k that divide the sum of the digits of 2^k * k!. A108861

Numbers k such that k² divides 3·Fibonacci(k). A130164

Numbers whose square is the product of a number and its reverse. A207373

a(n) = number of ordered triples (w,x,y) such that w,x,y are all in {0,...,n} and the numbers |w-x|, |x-y|, |y-w| are distinct. A212963

Positive integers n such that n=p+q for some primes p,q with π(p)*π(q) = σ(n). A273286

Expansion of (1/x) * Series_Reversion( x / (1-x) * (1-x-x²)² ). A369486