3 × 7 × 73 × 409

Prime Factor Structure

Factorization String 3 × 7 × 73 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 970,880

Proper Divisor Sum 343,883

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #626987 ← → #627017

1 3 7 21 73 219 409 511 1,227 1,533 2,863 8,589 29,857 89,571 208,999 626,997

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

626,997 1,880,992 940,496 470,248 235,124 117,562 58,781 176,344 88,172 44,086 22,043 66,130 33,065 99,196 49,598 24,799 74,398 37,199 111,598 55,799 167,398 83,699 251,098 125,549 376,648 188,324 94,162 47,081 141,244 70,622 35,311 105,934 52,967 158,902 79,451 238,354 119,177 357,532 178,766 89,383 268,150 134,075 402,226 201,113 603,340 301,670 150,835 452,506 226,253 678,760 339,380 169,690 84,845 254,536 127,268 63,634 31,817 95,452 47,726 23,863

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