3 × 7 × 163 × 479

Prime Factor Structure

Factorization String 3 × 7 × 163 × 479

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,519,040

Proper Divisor Sum 879,423

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1639613 ← → #1639663

1 3 7 21 163 479 489 1,141 1,437 3,353 3,423 10,059 78,077 234,231 546,539 1,639,617

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

1,639,617 4,918,852 2,459,426 1,229,713 3,689,140 1,844,570 922,285 2,766,856 1,383,428 691,714 345,857 1,037,572 518,786 259,393 778,180 389,090 194,545 583,636 291,818 145,909 437,728 218,864 109,432 54,716 27,358 13,679 41,038 20,519 61,558 30,779 92,338 46,169 138,508 69,254 34,627 103,882 51,941 155,824 77,912 38,956 19,478 9,739 29,218 14,609 43,828 21,914 10,957 32,872 16,436 8,218 4,109 12,328 6,164 3,082 1,541 4,624 2,312 1,156 578 289

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