3 × 7 × 137 × 1213

Prime Factor Structure

Factorization String 3 × 7 × 137 × 1213

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,361,024

Proper Divisor Sum 1,871,223

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3489793 ← → #3489817

1 3 7 21 137 411 959 1,213 2,877 3,639 8,491 25,473 166,181 498,543 1,163,267 3,489,801

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

3,489,801 10,469,404 5,234,702 2,617,351 7,852,054 3,926,027 11,778,082 5,889,041 17,667,124 8,833,562 4,416,781 13,250,344 6,625,172 3,312,586 1,656,293 4,968,880 2,484,440 1,242,220 621,110 310,555 931,666 465,833 1,397,500 698,750 349,375 1,048,126 524,063 1,572,190 786,095 2,358,286 1,179,143 3,537,430 1,768,715 5,306,146 2,653,073 7,959,220 3,979,610 1,989,805 5,969,416 2,984,708 1,492,354 746,177 2,238,532 1,119,266 559,633 1,678,900 839,450 419,725 1,259,176 629,588 314,794 157,397 472,192 236,096 118,048 59,024 29,512 14,756 7,378 3,689

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