Properties of the Number 49042

Forty-Nine Thousand Forty-Two

Basics

Value: 49041 → 49042 → 49043

Parity: even

Prime: No

Previous Prime: 49037

Next Prime: 49043

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 31 × 113

Divisors: 1, 2, 7, 14, 31, 62, 113, 217, 226, 434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111110010010

Octal: 137622

Duodecimal: 2446A

Hexadecimal: bf92

Square: 2405117764

Square Root: 221.45428422137152

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 that are the sum of four third powers in eight or more ways. A345152

Expansion of (ψ(x) * φ(-x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A215472

Numbers that are the sum of four third powers in exactly eight ways. A345153

Expansion of (ψ(-x) * φ(x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A209942

Smallest k>0 such that the elliptic curve y² = x³ - k·x has rank n, if k exists. A309029

Numbers k for which rank of the elliptic curve y² = x³ - k·x is 5. A309100

a(i) is a square mod a(j), i <> j. A34903

Numbers k such that k = x + y, sigma₁(k) = sigma₁(x) + sigma₁(y) and sigma₂(k) = sigma₂(x) + sigma₂(y). A219033

Number of length 1+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248538

Domain of A049041. A49042