3 × 5 × 7 × 4019

Prime Factor Structure

Factorization String 3 × 5 × 7 × 4019

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 771,840

Proper Divisor Sum 349,845

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #421987 ← → #421997

1 3 5 7 15 21 35 105 4,019 12,057 20,095 28,133 60,285 84,399 140,665 421,995

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

421,995 1,265,986 632,993 1,898,980 949,490 474,745 1,424,236 712,118 356,059 1,068,178 534,089 1,602,268 801,134 400,567 1,201,702 600,851 1,802,554 901,277 2,703,832 1,351,916 675,958 337,979 1,013,938 506,969 1,520,908 760,454 380,227 1,140,682 570,341 1,711,024 855,512 427,756 213,878 106,939 320,818 160,409 481,228 240,614 120,307 360,922 180,461 541,384 270,692 135,346 67,673 203,020 101,510 50,755 152,266 76,133 228,400 114,200 57,100 28,550 14,275 42,826 21,413 64,240 32,120 16,060

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