3 × 13 × 23 × 311

Prime Factor Structure

Factorization String 3 × 13 × 23 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 419,328

Proper Divisor Sum 140,361

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #278947 ← → #278981

1 3 13 23 39 69 299 311 897 933 4,043 7,153 12,129 21,459 92,989 278,967

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

278,967 836,902 418,451 1,255,354 627,677 1,883,032 941,516 470,758 235,379 706,138 353,069 1,059,208 529,604 264,802 132,401 397,204 198,602 99,301 297,904 148,952 74,476 37,238 18,619 55,858 27,929 83,788 41,894 20,947 62,842 31,421 94,264 47,132 23,566 11,783 35,350 17,675 53,026 26,513 79,540 39,770 19,885 59,656 29,828 14,914 7,457 22,372 11,186 5,593 16,780 8,390 4,195 12,586 6,293 18,880 9,440 4,720 2,360 1,180 590 295

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