3 × 7 × 157 × 853

Prime Factor Structure

Factorization String 3 × 7 × 157 × 853

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,317,824

Proper Divisor Sum 1,505,483

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2812331 ← → #2812343

1 3 7 21 157 471 853 1,099 2,559 3,297 5,971 17,913 133,921 401,763 937,447 2,812,341

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

2,812,341 8,437,024 4,218,512 2,109,256 1,054,628 527,314 263,657 790,972 395,486 197,743 593,230 296,615 889,846 444,923 1,334,770 667,385 2,002,156 1,001,078 500,539 1,501,618 750,809 2,252,428 1,126,214 563,107 1,689,322 844,661 2,533,984 1,266,992 633,496 316,748 158,374 79,187 237,562 118,781 356,344 178,172 89,086 44,543 133,630 66,815 200,446 100,223 300,670 150,335 451,006 225,503 676,510 338,255 1,014,766 507,383 1,522,150 761,075 2,283,226 1,141,613 3,424,840 1,712,420 856,210 428,105 1,284,316 642,158

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