Properties of the Number 30246

Thirty Thousand Two Hundred Forty-Six

Basics

Value: 30245 → 30246 → 30247

Parity: even

Prime: No

Previous Prime: 30241

Next Prime: 30253

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 71 ²

Divisors: 1, 2, 3, 6, 71, 142, 213, 426, 5041, 10082

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011000100110

Octal: 73046

Duodecimal: 15606

Hexadecimal: 7626

Square: 914820516

Square Root: 173.91377173760566

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 σ(k) = ψ(k) + τ(k). A387953

T(n,k)=Number of (n+4)X(k+4) binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s. A183465

Numbers k such that s(k) = 2·k, where s(k) is the sum of divisors of k that have a square factor (A162296). A322609

Composite numbers k such that σ(k) / d(k) is prime. A48969

Continued fraction expansion for exp( ∑_n>=1 1/(n·A086903(n)) ), where A086903(n) = (4+sqrt(15))ⁿ + (4-sqrt(15))ⁿ. A174502

Triangle T(n,k) giving the smallest term in "the infinite trunk of factorial beanstalk" (A219666) whose factorial base representation contains n digits (A084558) and the most significant such digit (A099563) is k. A230428

Numbers that are the sum of distinct primorial numbers (A002110) (not including 1). A290249

a(n) = A343046(n, n). A343047

Sums of three primorials > 1. A370137

Sums of 3 distinct primorials. A177697