17 × 61 × 20693

Prime Factor Structure

Factorization String 17 × 61 × 20693

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 23,094,504

Proper Divisor Sum 1,635,863

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21458639 ← → #21458651

1 17 61 1,037 20,693 351,781 1,262,273 21,458,641

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

21,458,641 64,375,924 32,187,962 16,093,981 48,281,944 24,140,972 12,070,486 6,035,243 18,105,730 9,052,865 27,158,596 13,579,298 6,789,649 20,368,948 10,184,474 5,092,237 15,276,712 7,638,356 3,819,178 1,909,589 5,728,768 2,864,384 1,432,192 716,096 358,048 179,024 89,512 44,756 22,378 11,189 33,568 16,784 8,392 4,196 2,098 1,049 3,148 1,574 787 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634

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