Properties of the Number 30694

Thirty Thousand Six Hundred Ninety-Four

Basics

Value: 30693 → 30694 → 30695

Parity: even

Prime: No

Previous Prime: 30689

Next Prime: 30697

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 103 × 149

Divisors: 1, 2, 103, 149, 206, 298, 15347, 30694

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011111100110

Octal: 73746

Duodecimal: 1591A

Hexadecimal: 77e6

Square: 942121636

Square Root: 175.19703193832936

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

Meandric numbers: number of ways a river can cross a road n times. A5316

Meandric numbers for a river crossing two parallel roads at n points. A76876

Number of ways a river can cross a road 2n times. A77054

Irregular triangle read by rows: T(n,k) = number of meanders with n bridges in which the first bridge is bridge k. A259974

Numbers k such that 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)*p(k+6)-1 and 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)*p(k+6)+1 are twin primes with p(h) = h-th prime. A129313

Number of meanders in which first bridge is 3. A6660

Expansion of e.g.f. log(∑_k>=0 q(k)*x^k/k!), where q(k) = number of partitions of k into distinct parts (A000009). A300515

Numbers k such that k | sigma₆(k) + φ(k)⁶. A55700

Square root of A030693. A30694