400,255

5 × 80051

Prime Factor Structure

Factorization String 5 × 80051

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 480,312

Proper Divisor Sum 80,057

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #400249 ← → #400261

1 5 80,051 400,255

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

400,255 1,200,766 600,383 1,801,150 900,575 2,701,726 1,350,863 4,052,590 2,026,295 6,078,886 3,039,443 9,118,330 4,559,165 13,677,496 6,838,748 3,419,374 1,709,687 5,129,062 2,564,531 7,693,594 3,846,797 11,540,392 5,770,196 2,885,098 1,442,549 4,327,648 2,163,824 1,081,912 540,956 270,478 135,239 405,718 202,859 608,578 304,289 912,868 456,434 228,217 684,652 342,326 171,163 513,490 256,745 770,236 385,118 192,559 577,678 288,839 866,518 433,259 1,299,778 649,889 1,949,668 974,834 487,417 1,462,252 731,126 365,563 1,096,690 548,345

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