400,403

29 × 13807

Prime Factor Structure

Factorization String 29 × 13807

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 414,240

Proper Divisor Sum 13,837

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #400391 ← → #400409

1 29 13,807 400,403

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

400,403 1,201,210 600,605 1,801,816 900,908 450,454 225,227 675,682 337,841 1,013,524 506,762 253,381 760,144 380,072 190,036 95,018 47,509 142,528 71,264 35,632 17,816 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430

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