3 × 19 × 43 × 139

Prime Factor Structure

Factorization String 3 × 19 × 43 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 492,800

Proper Divisor Sum 152,111

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #340687 ← → #340693

1 3 19 43 57 129 139 417 817 2,451 2,641 5,977 7,923 17,931 113,563 340,689

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

340,689 1,022,068 511,034 255,517 766,552 383,276 191,638 95,819 287,458 143,729 431,188 215,594 107,797 323,392 161,696 80,848 40,424 20,212 10,106 5,053 15,160 7,580 3,790 1,895 5,686 2,843 8,530 4,265 12,796 6,398 3,199 9,598 4,799 14,398 7,199 21,598 10,799 32,398 16,199 48,598 24,299 72,898 36,449 109,348 54,674 27,337 82,012 41,006 20,503 61,510 30,755 92,266 46,133 138,400 69,200 34,600 17,300 8,650 4,325 12,976

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