5 × 19 × 31 × 139

Prime Factor Structure

Factorization String 5 × 19 × 31 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 537,600

Proper Divisor Sum 128,245

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #409351 ← → #409369

1 5 19 31 95 139 155 589 695 2,641 2,945 4,309 13,205 21,545 81,871 409,355

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

409,355 1,228,066 614,033 1,842,100 921,050 460,525 1,381,576 690,788 345,394 172,697 518,092 259,046 129,523 388,570 194,285 582,856 291,428 145,714 72,857 218,572 109,286 54,643 163,930 81,965 245,896 122,948 61,474 30,737 92,212 46,106 23,053 69,160 34,580 17,290 8,645 25,936 12,968 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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