2 × 19 × 137 × 409

Prime Factor Structure

Factorization String 2 × 19 × 137 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,394,800

Proper Divisor Sum 1,265,546

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2129227 ← → #2129261

1 2 19 38 137 274 409 818 2,603 5,206 7,771 15,542 56,033 112,066 1,064,627 2,129,254

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

2,129,254 1,064,627 3,193,882 1,596,941 4,790,824 2,395,412 1,197,706 598,853 1,796,560 898,280 449,140 224,570 112,285 336,856 168,428 84,214 42,107 126,322 63,161 189,484 94,742 47,371 142,114 71,057 213,172 106,586 53,293 159,880 79,940 39,970 19,985 59,956 29,978 14,989 44,968 22,484 11,242 5,621 16,864 8,432 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377

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