3 × 13 × 31 × 1783

Prime Factor Structure

Factorization String 3 × 13 × 31 × 1783

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,196,928

Proper Divisor Sum 1,041,281

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2155639 ← → #2155661

1 3 13 31 39 93 403 1,209 1,783 5,349 23,179 55,273 69,537 165,819 718,549 2,155,647

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

2,155,647 6,466,942 3,233,471 9,700,414 4,850,207 14,550,622 7,275,311 21,825,934 10,912,967 32,738,902 16,369,451 49,108,354 24,554,177 73,662,532 36,831,266 18,415,633 55,246,900 27,623,450 13,811,725 41,435,176 20,717,588 10,358,794 5,179,397 15,538,192 7,769,096 3,884,548 1,942,274 971,137 2,913,412 1,456,706 728,353 2,185,060 1,092,530 546,265 1,638,796 819,398 409,699 1,229,098 614,549 1,843,648 921,824 460,912 230,456 115,228 57,614 28,807 86,422 43,211 129,634 64,817 194,452 97,226 48,613 145,840 72,920 36,460 18,230 9,115 27,346 13,673

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