3 × 7 × 131 × 223

Prime Factor Structure

Factorization String 3 × 7 × 131 × 223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 946,176

Proper Divisor Sum 332,703

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #613471 ← → #613493

1 3 7 21 131 223 393 669 917 1,561 2,751 4,683 29,213 87,639 204,491 613,473

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

613,473 1,840,420 920,210 460,105 1,380,316 690,158 345,079 1,035,238 517,619 1,552,858 776,429 2,329,288 1,164,644 582,322 291,161 873,484 436,742 218,371 655,114 327,557 982,672 491,336 245,668 122,834 61,417 184,252 92,126 46,063 138,190 69,095 207,286 103,643 310,930 155,465 466,396 233,198 116,599 349,798 174,899 524,698 262,349 787,048 393,524 196,762 98,381 295,144 147,572 73,786 36,893 110,680 55,340 27,670 13,835 41,506 20,753 62,260 31,130 15,565 46,696 23,348

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