31 × 131 × 211

Prime Factor Structure

Factorization String 31 × 131 × 211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 895,488

Proper Divisor Sum 38,617

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #856853 ← → #856897

1 31 131 211 4,061 6,541 27,641 856,871

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

856,871 2,570,614 1,285,307 3,855,922 1,927,961 5,783,884 2,891,942 1,445,971 4,337,914 2,168,957 6,506,872 3,253,436 1,626,718 813,359 2,440,078 1,220,039 3,660,118 1,830,059 5,490,178 2,745,089 8,235,268 4,117,634 2,058,817 6,176,452 3,088,226 1,544,113 4,632,340 2,316,170 1,158,085 3,474,256 1,737,128 868,564 434,282 217,141 651,424 325,712 162,856 81,428 40,714 20,357 61,072 30,536 15,268 7,634 3,817 11,452 5,726 2,863 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437

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