13 × 89 × 373

Prime Factor Structure

Factorization String 13 × 89 × 373

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 471,240

Proper Divisor Sum 39,679

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #431533 ← → #431567

1 13 89 373 1,157 4,849 33,197 431,561

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

431,561 1,294,684 647,342 323,671 971,014 485,507 1,456,522 728,261 2,184,784 1,092,392 546,196 273,098 136,549 409,648 204,824 102,412 51,206 25,603 76,810 38,405 115,216 57,608 28,804 14,402 7,201 21,604 10,802 5,401 16,204 8,102 4,051 12,154 6,077 18,232 9,116 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480 9,740 4,870 2,435 7,306 3,653 10,960 5,480 2,740

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