3 × 31 × 47 × 157

Prime Factor Structure

Factorization String 3 × 31 × 47 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 970,752

Proper Divisor Sum 284,505

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #686209 ← → #686267

1 3 31 47 93 141 157 471 1,457 4,371 4,867 7,379 14,601 22,137 228,749 686,247

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

686,247 2,058,742 1,029,371 3,088,114 1,544,057 4,632,172 2,316,086 1,158,043 3,474,130 1,737,065 5,211,196 2,605,598 1,302,799 3,908,398 1,954,199 5,862,598 2,931,299 8,793,898 4,396,949 13,190,848 6,595,424 3,297,712 1,648,856 824,428 412,214 206,107 618,322 309,161 927,484 463,742 231,871 695,614 347,807 1,043,422 521,711 1,565,134 782,567 2,347,702 1,173,851 3,521,554 1,760,777 5,282,332 2,641,166 1,320,583 3,961,750 1,980,875 5,942,626 2,971,313 8,913,940 4,456,970 2,228,485 6,685,456 3,342,728 1,671,364 835,682 417,841 1,253,524 626,762 313,381 940,144

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