2 × 521 × 631

Prime Factor Structure

Factorization String 2 × 521 × 631

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 989,712

Proper Divisor Sum 332,210

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #657499 ← → #657523

1 2 521 631 1,042 1,262 328,751 657,502

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

657,502 328,751 986,254 493,127 1,479,382 739,691 2,219,074 1,109,537 3,328,612 1,664,306 832,153 2,496,460 1,248,230 624,115 1,872,346 936,173 2,808,520 1,404,260 702,130 351,065 1,053,196 526,598 263,299 789,898 394,949 1,184,848 592,424 296,212 148,106 74,053 222,160 111,080 55,540 27,770 13,885 41,656 20,828 10,414 5,207 15,622 7,811 23,434 11,717 35,152 17,576 8,788 4,394 2,197 6,592 3,296 1,648 824 412 206 103 310 155 466 233 700

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