3 × 7 × 31 × 523

Prime Factor Structure

Factorization String 3 × 7 × 31 × 523

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 536,576

Proper Divisor Sum 196,103

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #340453 ← → #340477

1 3 7 21 31 93 217 523 651 1,569 3,661 10,983 16,213 48,639 113,491 340,473

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

340,473 1,021,420 510,710 255,355 766,066 383,033 1,149,100 574,550 287,275 861,826 430,913 1,292,740 646,370 323,185 969,556 484,778 242,389 727,168 363,584 181,792 90,896 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361

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