3 × 13 × 19 × 661

Prime Factor Structure

Factorization String 3 × 13 × 19 × 661

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 741,440

Proper Divisor Sum 251,639

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #489799 ← → #489803

1 3 13 19 39 57 247 661 741 1,983 8,593 12,559 25,779 37,677 163,267 489,801

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

489,801 1,469,404 734,702 367,351 1,102,054 551,027 1,653,082 826,541 2,479,624 1,239,812 619,906 309,953 929,860 464,930 232,465 697,396 348,698 174,349 523,048 261,524 130,762 65,381 196,144 98,072 49,036 24,518 12,259 36,778 18,389 55,168 27,584 13,792 6,896 3,448 1,724 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88

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