2 × 7 × 37 × 421

Prime Factor Structure

Factorization String 2 × 7 × 37 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 384,864

Proper Divisor Sum 166,786

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #218077 ← → #218081

1 2 7 14 37 74 259 421 518 842 2,947 5,894 15,577 31,154 109,039 218,078

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

218,078 109,039 327,118 163,559 490,678 245,339 736,018 368,009 1,104,028 552,014 276,007 828,022 414,011 1,242,034 621,017 1,863,052 931,526 465,763 1,397,290 698,645 2,095,936 1,047,968 523,984 261,992 130,996 65,498 32,749 98,248 49,124 24,562 12,281 36,844 18,422 9,211 27,634 13,817 41,452 20,726 10,363 31,090 15,545 46,636 23,318 11,659 34,978 17,489 52,468 26,234 13,117 39,352 19,676 9,838 4,919 14,758 7,379 22,138 11,069 33,208 16,604 8,302

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