2² × 13 × 4219

Prime Factor Structure

Factorization String 2^2 × 13 × 4219

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 413,560

Proper Divisor Sum 194,172

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #219377 ← → #219389

1 2 4 13 26 52 4,219 8,438 16,876 54,847 109,694 219,388

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

219,388 109,694 54,847 164,542 82,271 246,814 123,407 370,222 185,111 555,334 277,667 833,002 416,501 1,249,504 624,752 312,376 156,188 78,094 39,047 117,142 58,571 175,714 87,857 263,572 131,786 65,893 197,680 98,840 49,420 24,710 12,355 37,066 18,533 55,600 27,800 13,900 6,950 3,475 10,426 5,213 15,640 7,820 3,910 1,955 5,866 2,933 8,800 4,400 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233

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