3² × 7 × 19 × 211

Prime Factor Structure

Factorization String 3^2 × 7 × 19 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 440,960

Proper Divisor Sum 188,393

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #252559 ← → #252583

1 3 7 9 19 21 57 63 133 171 211 399 633 1,197 1,477 1,899 4,009 4,431 12,027 13,293 28,063 36,081 84,189 252,567

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

252,567 757,702 378,851 1,136,554 568,277 1,704,832 852,416 426,208 213,104 106,552 53,276 26,638 13,319 39,958 19,979 59,938 29,969 89,908 44,954 22,477 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638

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