3 × 11 × 67 × 181

Prime Factor Structure

Factorization String 3 × 11 × 67 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 594,048

Proper Divisor Sum 193,857

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #400187 ← → #400199

1 3 11 33 67 181 201 543 737 1,991 2,211 5,973 12,127 36,381 133,397 400,191

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

400,191 1,200,574 600,287 1,800,862 900,431 2,701,294 1,350,647 4,051,942 2,025,971 6,077,914 3,038,957 9,116,872 4,558,436 2,279,218 1,139,609 3,418,828 1,709,414 854,707 2,564,122 1,282,061 3,846,184 1,923,092 961,546 480,773 1,442,320 721,160 360,580 180,290 90,145 270,436 135,218 67,609 202,828 101,414 50,707 152,122 76,061 228,184 114,092 57,046 28,523 85,570 42,785 128,356 64,178 32,089 96,268 48,134 24,067 72,202 36,101 108,304 54,152 27,076 13,538 6,769 20,308 10,154 5,077 15,232

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