2 × 5 × 19 × 2221

Prime Factor Structure

Factorization String 2 × 5 × 19 × 2221

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 799,920

Proper Divisor Sum 377,930

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #421987 ← → #421997

1 2 5 10 19 38 95 190 2,221 4,442 11,105 22,210 42,199 84,398 210,995 421,990

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

421,990 210,995 632,986 316,493 949,480 474,740 237,370 118,685 356,056 178,028 89,014 44,507 133,522 66,761 200,284 100,142 50,071 150,214 75,107 225,322 112,661 337,984 168,992 84,496 42,248 21,124 10,562 5,281 15,844 7,922 3,961 11,884 5,942 2,971 8,914 4,457 13,372 6,686 3,343 10,030 5,015 15,046 7,523 22,570 11,285 33,856 16,928 8,464 4,232 2,116 1,058 529 1,588 794 397 1,192 596 298 149 448

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