Properties of the Number 30686

Thirty Thousand Six Hundred Eighty-Six

Basics

Value: 30685 → 30686 → 30687

Parity: even

Prime: No

Previous Prime: 30677

Next Prime: 30689

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 67 × 229

Divisors: 1, 2, 67, 134, 229, 458, 15343, 30686

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011111011110

Octal: 73736

Duodecimal: 15912

Hexadecimal: 77de

Square: 941630596

Square Root: 175.1741990134392

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 339·2^k+1 is prime. A322962

Smallest nontrivial extension of n² which is a square. A30686

a(1) = 1; for n > 1, a(n) is the smallest positive number that has not yet appeared that is coprime to a(n-1), does not equal a(n-1)+1, and whose binary expansion has no 1-bit in common with the binary expansion of a(n-1). A353990