13 × 30881

Prime Factor Structure

Factorization String 13 × 30881

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 432,348

Proper Divisor Sum 30,895

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #401417 ← → #401473

1 13 30,881 401,453

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

401,453 1,204,360 602,180 301,090 150,545 451,636 225,818 112,909 338,728 169,364 84,682 42,341 127,024 63,512 31,756 15,878 7,939 23,818 11,909 35,728 17,864 8,932 4,466 2,233 6,700 3,350 1,675 5,026 2,513 7,540 3,770 1,885 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430

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