2 × 7 × 13 × 19 × 191

Prime Factor Structure

Factorization String 2 × 7 × 13 × 19 × 191

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,290,240

Proper Divisor Sum 629,762

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #660449 ← → #660493

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

660,478 330,239 990,718 495,359 1,486,078 743,039 2,229,118 1,114,559 3,343,678 1,671,839 5,015,518 2,507,759 7,523,278 3,761,639 11,284,918 5,642,459 16,927,378 8,463,689 25,391,068 12,695,534 6,347,767 19,043,302 9,521,651 28,564,954 14,282,477 42,847,432 21,423,716 10,711,858 5,355,929 16,067,788 8,033,894 4,016,947 12,050,842 6,025,421 18,076,264 9,038,132 4,519,066 2,259,533 6,778,600 3,389,300 1,694,650 847,325 2,541,976 1,270,988 635,494 317,747 953,242 476,621 1,429,864 714,932 357,466 178,733 536,200 268,100 134,050 67,025 201,076 100,538 50,269 150,808

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