3 × 13 × 5521

Prime Factor Structure

Factorization String 3 × 13 × 5521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 309,232

Proper Divisor Sum 93,913

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #215317 ← → #215329

1 3 13 39 5,521 16,563 71,773 215,319

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

215,319 645,958 322,979 968,938 484,469 1,453,408 726,704 363,352 181,676 90,838 45,419 136,258 68,129 204,388 102,194 51,097 153,292 76,646 38,323 114,970 57,485 172,456 86,228 43,114 21,557 64,672 32,336 16,168 8,084 4,042 2,021 6,064 3,032 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376

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