3 × 7 × 13 × 1499

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1499

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 672,000

Proper Divisor Sum 262,773

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #409217 ← → #409237

1 3 7 13 21 39 91 273 1,499 4,497 10,493 19,487 31,479 58,461 136,409 409,227

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

409,227 1,227,682 613,841 1,841,524 920,762 460,381 1,381,144 690,572 345,286 172,643 517,930 258,965 776,896 388,448 194,224 97,112 48,556 24,278 12,139 36,418 18,209 54,628 27,314 13,657 40,972 20,486 10,243 30,730 15,365 46,096 23,048 11,524 5,762 2,881 8,644 4,322 2,161 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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