23 × 29 × 31²

Prime Factor Structure

Factorization String 23 × 29 × 31^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 714,960

Proper Divisor Sum 73,973

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #640973 ← → #640993

1 23 29 31 667 713 899 961 20,677 22,103 27,869 640,987

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

640,987 1,922,962 961,481 2,884,444 1,442,222 721,111 2,163,334 1,081,667 3,245,002 1,622,501 4,867,504 2,433,752 1,216,876 608,438 304,219 912,658 456,329 1,368,988 684,494 342,247 1,026,742 513,371 1,540,114 770,057 2,310,172 1,155,086 577,543 1,732,630 866,315 2,598,946 1,299,473 3,898,420 1,949,210 974,605 2,923,816 1,461,908 730,954 365,477 1,096,432 548,216 274,108 137,054 68,527 205,582 102,791 308,374 154,187 462,562 231,281 693,844 346,922 173,461 520,384 260,192 130,096 65,048 32,524 16,262 8,131 24,394

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