3 × 5 × 7 × 181729

Prime Factor Structure

Factorization String 3 × 5 × 7 × 181729

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 34,892,160

Proper Divisor Sum 15,810,615

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #19081501 ← → #19081547

1 3 5 7 15 21 35 105 181,729 545,187 908,645 1,272,103 2,725,935 3,816,309 6,360,515 19,081,545

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

19,081,545 57,244,636 28,622,318 14,311,159 42,933,478 21,466,739 64,400,218 32,200,109 96,600,328 48,300,164 24,150,082 12,075,041 36,225,124 18,112,562 9,056,281 27,168,844 13,584,422 6,792,211 20,376,634 10,188,317 30,564,952 15,282,476 7,641,238 3,820,619 11,461,858 5,730,929 17,192,788 8,596,394 4,298,197 12,894,592 6,447,296 3,223,648 1,611,824 805,912 402,956 201,478 100,739 302,218 151,109 453,328 226,664 113,332 56,666 28,333 85,000 42,500 21,250 10,625 31,876 15,938 7,969 23,908 11,954 5,977 17,932 8,966 4,483 13,450 6,725 20,176

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