7 × 31 × 21997

Prime Factor Structure

Factorization String 7 × 31 × 21997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,631,488

Proper Divisor Sum 858,139

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #4773331 ← → #4773359

1 7 31 217 21,997 153,979 681,907 4,773,349

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

4,773,349 14,320,048 7,160,024 3,580,012 1,790,006 895,003 2,685,010 1,342,505 4,027,516 2,013,758 1,006,879 3,020,638 1,510,319 4,530,958 2,265,479 6,796,438 3,398,219 10,194,658 5,097,329 15,291,988 7,645,994 3,822,997 11,468,992 5,734,496 2,867,248 1,433,624 716,812 358,406 179,203 537,610 268,805 806,416 403,208 201,604 100,802 50,401 151,204 75,602 37,801 113,404 56,702 28,351 85,054 42,527 127,582 63,791 191,374 95,687 287,062 143,531 430,594 215,297 645,892 322,946 161,473 484,420 242,210 121,105 363,316 181,658

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