3 × 7 × 13 × 331

Prime Factor Structure

Factorization String 3 × 7 × 13 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 148,736

Proper Divisor Sum 58,373

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #90359 ← → #90371

1 3 7 13 21 39 91 273 331 993 2,317 4,303 6,951 12,909 30,121 90,363

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

90,363 271,090 135,545 406,636 203,318 101,659 304,978 152,489 457,468 228,734 114,367 343,102 171,551 514,654 257,327 771,982 385,991 1,157,974 578,987 1,736,962 868,481 2,605,444 1,302,722 651,361 1,954,084 977,042 488,521 1,465,564 732,782 366,391 1,099,174 549,587 1,648,762 824,381 2,473,144 1,236,572 618,286 309,143 927,430 463,715 1,391,146 695,573 2,086,720 1,043,360 521,680 260,840 130,420 65,210 32,605 97,816 48,908 24,454 12,227 36,682 18,341 55,024 27,512 13,756 6,878 3,439

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