3⁴ × 19 × 131

Prime Factor Structure

Factorization String 3^4 × 19 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 319,440

Proper Divisor Sum 117,831

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #201599 ← → #201611

1 3 9 19 27 57 81 131 171 393 513 1,179 1,539 2,489 3,537 7,467 10,611 22,401 67,203 201,609

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

201,609 604,828 302,414 151,207 453,622 226,811 680,434 340,217 1,020,652 510,326 255,163 765,490 382,745 1,148,236 574,118 287,059 861,178 430,589 1,291,768 645,884 322,942 161,471 484,414 242,207 726,622 363,311 1,089,934 544,967 1,634,902 817,451 2,452,354 1,226,177 3,678,532 1,839,266 919,633 2,758,900 1,379,450 689,725 2,069,176 1,034,588 517,294 258,647 775,942 387,971 1,163,914 581,957 1,745,872 872,936 436,468 218,234 109,117 327,352 163,676 81,838 40,919 122,758 61,379 184,138 92,069 276,208

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