3 × 7 × 13 × 16553

Prime Factor Structure

Factorization String 3 × 7 × 13 × 16553

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 7,416,192

Proper Divisor Sum 2,897,223

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #4518967 ← → #4518989

1 3 7 13 21 39 91 273 16,553 49,659 115,871 215,189 347,613 645,567 1,506,323 4,518,969

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

4,518,969 13,556,908 6,778,454 3,389,227 10,167,682 5,083,841 15,251,524 7,625,762 3,812,881 11,438,644 5,719,322 2,859,661 8,578,984 4,289,492 2,144,746 1,072,373 3,217,120 1,608,560 804,280 402,140 201,070 100,535 301,606 150,803 452,410 226,205 678,616 339,308 169,654 84,827 254,482 127,241 381,724 190,862 95,431 286,294 143,147 429,442 214,721 644,164 322,082 161,041 483,124 241,562 120,781 362,344 181,172 90,586 45,293 135,880 67,940 33,970 16,985 50,956 25,478 12,739 38,218 19,109 57,328 28,664

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