Properties of the Number 30607

Thirty Thousand Six Hundred Seven

Basics

Value: 30606 → 30607 → 30608

Parity: odd

Prime: No

Previous Prime: 30593

Next Prime: 30631

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 127 × 241

Divisors: 1, 127, 241, 30607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011110001111

Octal: 73617

Duodecimal: 15867

Hexadecimal: 778f

Square: 936788449

Square Root: 174.9485638694985

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

Odd composite numbers which in base 2 contain their largest proper factor as a substring of digits. A63131

Composite numbers not divisible by 2, 3, 5 or 7 which in base 2 contain their largest proper factor as a substring. A63138

Squarefree k > 1 with σ(σ(σ(k))) < 3·k + 1. A320513

Composite numbers not divisible by 2 or 3 which in base 3 contain their largest proper factor as a substring. A63132

Composite numbers which in base 8 contain their largest proper factor as a substring. A63167

Number of permissible patterns of primes in a fixed interval of n consecutive integers. A94660

Duplicate of A063167. A63878

a(1) = 1; for n > 1, a(n) is the smallest unused positive number such that sopfr(|a(n) - a(n-1)|) = sopfr(a(n) + a(n-1)) and ω(|a(n) - a(n-1)|) = ω(a(n) + a(n-1)), where sopfr(k) is the sum of the primes dividing k, with repetition. A370503

Position of n-th 2 in A030604. A30607