3 × 19 × 151 × 523

Prime Factor Structure

Factorization String 3 × 19 × 151 × 523

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,371,840

Proper Divisor Sum 1,870,379

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #4501459 ← → #4501477

1 3 19 57 151 453 523 1,569 2,869 8,607 9,937 29,811 78,973 236,919 1,500,487 4,501,461

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

4,501,461 13,504,384 6,752,192 3,376,096 1,688,048 844,024 422,012 211,006 105,503 316,510 158,255 474,766 237,383 712,150 356,075 1,068,226 534,113 1,602,340 801,170 400,585 1,201,756 600,878 300,439 901,318 450,659 1,351,978 675,989 2,027,968 1,013,984 506,992 253,496 126,748 63,374 31,687 95,062 47,531 142,594 71,297 213,892 106,946 53,473 160,420 80,210 40,105 120,316 60,158 30,079 90,238 45,119 135,358 67,679 203,038 101,519 304,558 152,279 456,838 228,419 685,258 342,629 1,027,888

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