3 × 7 × 89 × 439

Prime Factor Structure

Factorization String 3 × 7 × 89 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,267,200

Proper Divisor Sum 446,709

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #820489 ← → #820537

1 3 7 21 89 267 439 623 1,317 1,869 3,073 9,219 39,071 117,213 273,497 820,491

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

820,491 2,461,474 1,230,737 3,692,212 1,846,106 923,053 2,769,160 1,384,580 692,290 346,145 1,038,436 519,218 259,609 778,828 389,414 194,707 584,122 292,061 876,184 438,092 219,046 109,523 328,570 164,285 492,856 246,428 123,214 61,607 184,822 92,411 277,234 138,617 415,852 207,926 103,963 311,890 155,945 467,836 233,918 116,959 350,878 175,439 526,318 263,159 789,478 394,739 1,184,218 592,109 1,776,328 888,164 444,082 222,041 666,124 333,062 166,531 499,594 249,797 749,392 374,696 187,348

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