3 × 7 × 139 × 1279

Prime Factor Structure

Factorization String 3 × 7 × 139 × 1279

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,734,400

Proper Divisor Sum 2,000,999

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #3733399 ← → #3733417

1 3 7 21 139 417 973 1,279 2,919 3,837 8,953 26,859 177,781 533,343 1,244,467 3,733,401

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

3,733,401 11,200,204 5,600,102 2,800,051 8,400,154 4,200,077 12,600,232 6,300,116 3,150,058 1,575,029 4,725,088 2,362,544 1,181,272 590,636 295,318 147,659 442,978 221,489 664,468 332,234 166,117 498,352 249,176 124,588 62,294 31,147 93,442 46,721 140,164 70,082 35,041 105,124 52,562 26,281 78,844 39,422 19,711 59,134 29,567 88,702 44,351 133,054 66,527 199,582 99,791 299,374 149,687 449,062 224,531 673,594 336,797 1,010,392 505,196 252,598 126,299 378,898 189,449 568,348 284,174 142,087

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