3 × 5 × 53 × 271

Prime Factor Structure

Factorization String 3 × 5 × 53 × 271

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 352,512

Proper Divisor Sum 137,067

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #215443 ← → #215447

1 3 5 15 53 159 265 271 795 813 1,355 4,065 14,363 43,089 71,815 215,445

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

215,445 646,336 323,168 161,584 80,792 40,396 20,198 10,099 30,298 15,149 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 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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