3 × 7 × 257 × 313

Prime Factor Structure

Factorization String 3 × 7 × 257 × 313

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,592,384

Proper Divisor Sum 903,123

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1689253 ← → #1689263

1 3 7 21 257 313 771 939 1,799 2,191 5,397 6,573 80,441 241,323 563,087 1,689,261

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

1,689,261 5,067,784 2,533,892 1,266,946 633,473 1,900,420 950,210 475,105 1,425,316 712,658 356,329 1,068,988 534,494 267,247 801,742 400,871 1,202,614 601,307 1,803,922 901,961 2,705,884 1,352,942 676,471 2,029,414 1,014,707 3,044,122 1,522,061 4,566,184 2,283,092 1,141,546 570,773 1,712,320 856,160 428,080 214,040 107,020 53,510 26,755 80,266 40,133 120,400 60,200 30,100 15,050 7,525 22,576 11,288 5,644 2,822 1,411 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298

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