Properties of the Number 42348

Forty-Two Thousand Three Hundred Forty-Eight

Basics

Value: 42347 → 42348 → 42349

Parity: even

Prime: No

Previous Prime: 42337

Next Prime: 42349

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 3529

Divisors: 1, 2, 3, 4, 6, 12, 3529, 7058, 10587, 14116

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010010101101100

Octal: 122554

Duodecimal: 20610

Hexadecimal: a56c

Square: 1793353104

Square Root: 205.78629691988726

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

Smallest base b > 1 such that both prime(n) and prime(n+1) are base-b Wieferich primes, i.e., p = prime(n) satisfies b^p-1 == 1 (mod p²) and q = prime(n+1) satisfies b^q-1 == 1 (mod q²). A259075

a(n) = the Wiener index of the Fibonacci cube G_n. A238419

Numbers k such that z(k) = j(k), where z(k) = sopf(k - d(k)), j(k) = d(sopf(k) + k), sopf(k) = A008472(k) and d(k) = A000005(k). A63961

Number of length 2+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero. A253130

a(n)=F(n-1)a(n-1)+F(n)a(n-2), where F = A000045 (Fibonacci numbers), a(0)=0, a(1)=1. A105804

a(n) = n*(1+3·n+6·n²)/2. A115519

Numerators of continued fraction convergents to sqrt(701). A42348