3 × 7 × 11 × 641

Prime Factor Structure

Factorization String 3 × 7 × 11 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 246,528

Proper Divisor Sum 98,457

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #148063 ← → #148073

1 3 7 11 21 33 77 231 641 1,923 4,487 7,051 13,461 21,153 49,357 148,071

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

148,071 444,214 222,107 666,322 333,161 999,484 499,742 249,871 749,614 374,807 1,124,422 562,211 1,686,634 843,317 2,529,952 1,264,976 632,488 316,244 158,122 79,061 237,184 118,592 59,296 29,648 14,824 7,412 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161

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