13 × 73 × 677

Prime Factor Structure

Factorization String 13 × 73 × 677

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 702,408

Proper Divisor Sum 59,935

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #642457 ← → #642487

1 13 73 677 949 8,801 49,421 642,473

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

642,473 1,927,420 963,710 481,855 1,445,566 722,783 2,168,350 1,084,175 3,252,526 1,626,263 4,878,790 2,439,395 7,318,186 3,659,093 10,977,280 5,488,640 2,744,320 1,372,160 686,080 343,040 171,520 85,760 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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