5² × 13 × 1223

Prime Factor Structure

Factorization String 5^2 × 13 × 1223

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 531,216

Proper Divisor Sum 133,741

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #397469 ← → #397489

1 5 13 25 65 325 1,223 6,115 15,899 30,575 79,495 397,475

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

397,475 1,192,426 596,213 1,788,640 894,320 447,160 223,580 111,790 55,895 167,686 83,843 251,530 125,765 377,296 188,648 94,324 47,162 23,581 70,744 35,372 17,686 8,843 26,530 13,265 39,796 19,898 9,949 29,848 14,924 7,462 3,731 11,194 5,597 16,792 8,396 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422

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