Properties of the Number 47742

Forty-Seven Thousand Seven Hundred Forty-Two

Basics

Value: 47741 → 47742 → 47743

Parity: even

Prime: No

Previous Prime: 47741

Next Prime: 47743

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 73 × 109

Divisors: 1, 2, 3, 6, 73, 109, 146, 218, 219, 327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101001111110

Octal: 135176

Duodecimal: 23766

Hexadecimal: ba7e

Square: 2279298564

Square Root: 218.4994279168712

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 sopfr(k + sopfr(k)) = sopfr(k) + sopfr(sopfr(k)), where sopfr = A001414. A376851

Oblong composite numbers m such that β(m) = τ(m)/2 - 1 where β(m) is the number of Brazilian representations of m and τ(m) is the number of divisors of m. A326384

a(n) = ∑_{i∣n, j∣n, k∣n} i·j*k/gcd(i,j,k). A344133

Coefficients in expansion of E₂^-1/4. A295791

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan[AlnSi112-nO224] starting with a T1 atom. A19127

A discrete analog of Li(n): a(n) = ceiling(∑_k=2..n 1/log(k)). A47742