3 × 13 × 17 × 30977

Prime Factor Structure

Factorization String 3 × 13 × 17 × 30977

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 31,225,824

Proper Divisor Sum 10,688,073

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #20537749 ← → #20537767

1 3 13 17 39 51 221 663 30,977 92,931 402,701 526,609 1,208,103 1,579,827 6,845,917 20,537,751

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

20,537,751 61,613,254 30,806,627 92,419,882 46,209,941 138,629,824 69,314,912 34,657,456 17,328,728 8,664,364 4,332,182 2,166,091 6,498,274 3,249,137 9,747,412 4,873,706 2,436,853 7,310,560 3,655,280 1,827,640 913,820 456,910 228,455 685,366 342,683 1,028,050 514,025 1,542,076 771,038 385,519 1,156,558 578,279 1,734,838 867,419 2,602,258 1,301,129 3,903,388 1,951,694 975,847 2,927,542 1,463,771 4,391,314 2,195,657 6,586,972 3,293,486 1,646,743 4,940,230 2,470,115 7,410,346 3,705,173 11,115,520 5,557,760 2,778,880 1,389,440 694,720 347,360 173,680 86,840 43,420 21,710

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