257 × 4993

Prime Factor Structure

Factorization String 257 × 4993

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,288,452

Proper Divisor Sum 5,251

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1283179 ← → #1283207

1 257 4,993 1,283,201

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

1,283,201 3,849,604 1,924,802 962,401 2,887,204 1,443,602 721,801 2,165,404 1,082,702 541,351 1,624,054 812,027 2,436,082 1,218,041 3,654,124 1,827,062 913,531 2,740,594 1,370,297 4,110,892 2,055,446 1,027,723 3,083,170 1,541,585 4,624,756 2,312,378 1,156,189 3,468,568 1,734,284 867,142 433,571 1,300,714 650,357 1,951,072 975,536 487,768 243,884 121,942 60,971 182,914 91,457 274,372 137,186 68,593 205,780 102,890 51,445 154,336 77,168 38,584 19,292 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140

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