3 × 5 × 17 × 331

Prime Factor Structure

Factorization String 3 × 5 × 17 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 143,424

Proper Divisor Sum 59,019

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #84401 ← → #84407

1 3 5 15 17 51 85 255 331 993 1,655 4,965 5,627 16,881 28,135 84,405

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

84,405 253,216 126,608 63,304 31,652 15,826 7,913 23,740 11,870 5,935 17,806 8,903 26,710 13,355 40,066 20,033 60,100 30,050 15,025 45,076 22,538 11,269 33,808 16,904 8,452 4,226 2,113 6,340 3,170 1,585 4,756 2,378 1,189 3,568 1,784 892 446 223 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238

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