13 × 17 × 251

Prime Factor Structure

Factorization String 13 × 17 × 251

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 63,504

Proper Divisor Sum 8,033

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #55469 ← → #55487

1 13 17 221 251 3,263 4,267 55,471

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

55,471 166,414 83,207 249,622 124,811 374,434 187,217 561,652 280,826 140,413 421,240 210,620 105,310 52,655 157,966 78,983 236,950 118,475 355,426 177,713 533,140 266,570 133,285 399,856 199,928 99,964 49,982 24,991 74,974 37,487 112,462 56,231 168,694 84,347 253,042 126,521 379,564 189,782 94,891 284,674 142,337 427,012 213,506 106,753 320,260 160,130 80,065 240,196 120,098 60,049 180,148 90,074 45,037 135,112 67,556 33,778 16,889 50,668 25,334 12,667

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.