13 × 17 × 139 × 157

Prime Factor Structure

Factorization String 13 × 17 × 139 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,574,240

Proper Divisor Sum 751,357

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #4822879 ← → #4822889

1 13 17 139 157 221 1,807 2,041 2,363 2,669 21,823 30,719 34,697 283,699 370,991 4,822,883

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

4,822,883 14,468,650 7,234,325 21,702,976 10,851,488 5,425,744 2,712,872 1,356,436 678,218 339,109 1,017,328 508,664 254,332 127,166 63,583 190,750 95,375 286,126 143,063 429,190 214,595 643,786 321,893 965,680 482,840 241,420 120,710 60,355 181,066 90,533 271,600 135,800 67,900 33,950 16,975 50,926 25,463 76,390 38,195 114,586 57,293 171,880 85,940 42,970 21,485 64,456 32,228 16,114 8,057 24,172 12,086 6,043 18,130 9,065 27,196 13,598 6,799 20,398 10,199 30,598

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