3 × 491 × 557

Prime Factor Structure

Factorization String 3 × 491 × 557

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,098,144

Proper Divisor Sum 277,683

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #820459 ← → #820481

1 3 491 557 1,473 1,671 273,487 820,461

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

820,461 2,461,384 1,230,692 615,346 307,673 923,020 461,510 230,755 692,266 346,133 1,038,400 519,200 259,600 129,800 64,900 32,450 16,225 48,676 24,338 12,169 36,508 18,254 9,127 27,382 13,691 41,074 20,537 61,612 30,806 15,403 46,210 23,105 69,316 34,658 17,329 51,988 25,994 12,997 38,992 19,496 9,748 4,874 2,437 7,312 3,656 1,828 914 457 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145

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