3 × 7 × 53 × 17509

Prime Factor Structure

Factorization String 3 × 7 × 53 × 17509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 30,257,280

Proper Divisor Sum 10,769,763

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #19487513 ← → #19487537

1 3 7 21 53 159 371 1,113 17,509 52,527 122,563 367,689 927,977 2,783,931 6,495,839 19,487,517

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

19,487,517 58,462,552 29,231,276 14,615,638 7,307,819 21,923,458 10,961,729 32,885,188 16,442,594 8,221,297 24,663,892 12,331,946 6,165,973 18,497,920 9,248,960 4,624,480 2,312,240 1,156,120 578,060 289,030 144,515 433,546 216,773 650,320 325,160 162,580 81,290 40,645 121,936 60,968 30,484 15,242 7,621 22,864 11,432 5,716 2,858 1,429 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17

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