691 × 3581

Prime Factor Structure

Factorization String 691 × 3581

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,478,744

Proper Divisor Sum 4,273

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2474431 ← → #2474489

1 691 3,581 2,474,471

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

2,474,471 7,423,414 3,711,707 11,135,122 5,567,561 16,702,684 8,351,342 4,175,671 12,527,014 6,263,507 18,790,522 9,395,261 28,185,784 14,092,892 7,046,446 3,523,223 10,569,670 5,284,835 15,854,506 7,927,253 23,781,760 11,890,880 5,945,440 2,972,720 1,486,360 743,180 371,590 185,795 557,386 278,693 836,080 418,040 209,020 104,510 52,255 156,766 78,383 235,150 117,575 352,726 176,363 529,090 264,545 793,636 396,818 198,409 595,228 297,614 148,807 446,422 223,211 669,634 334,817 1,004,452 502,226 251,113 753,340 376,670 188,335 565,006

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