13 × 53 × 521

Prime Factor Structure

Factorization String 13 × 53 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 394,632

Proper Divisor Sum 35,663

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #358951 ← → #358973

1 13 53 521 689 6,773 27,613 358,969

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

358,969 1,076,908 538,454 269,227 807,682 403,841 1,211,524 605,762 302,881 908,644 454,322 227,161 681,484 340,742 170,371 511,114 255,557 766,672 383,336 191,668 95,834 47,917 143,752 71,876 35,938 17,969 53,908 26,954 13,477 40,432 20,216 10,108 5,054 2,527 7,582 3,791 11,374 5,687 17,062 8,531 25,594 12,797 38,392 19,196 9,598 4,799 14,398 7,199 21,598 10,799 32,398 16,199 48,598 24,299 72,898 36,449 109,348 54,674 27,337 82,012

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