3 × 7 × 19 × 223

Prime Factor Structure

Factorization String 3 × 7 × 19 × 223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 143,360

Proper Divisor Sum 54,383

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #88969 ← → #88993

1 3 7 19 21 57 133 223 399 669 1,561 4,237 4,683 12,711 29,659 88,977

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

88,977 266,932 133,466 66,733 200,200 100,100 50,050 25,025 75,076 37,538 18,769 56,308 28,154 14,077 42,232 21,116 10,558 5,279 15,838 7,919 23,758 11,879 35,638 17,819 53,458 26,729 80,188 40,094 20,047 60,142 30,071 90,214 45,107 135,322 67,661 202,984 101,492 50,746 25,373 76,120 38,060 19,030 9,515 28,546 14,273 42,820 21,410 10,705 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034 4,517 13,552 6,776 3,388

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