5 × 7 × 11 × 661

Prime Factor Structure

Factorization String 5 × 7 × 11 × 661

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 381,312

Proper Divisor Sum 126,827

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #254461 ← → #254489

1 5 7 11 35 55 77 385 661 3,305 4,627 7,271 23,135 36,355 50,897 254,485

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

254,485 763,456 381,728 190,864 95,432 47,716 23,858 11,929 35,788 17,894 8,947 26,842 13,421 40,264 20,132 10,066 5,033 15,100 7,550 3,775 11,326 5,663 16,990 8,495 25,486 12,743 38,230 19,115 57,346 28,673 86,020 43,010 21,505 64,516 32,258 16,129 48,388 24,194 12,097 36,292 18,146 9,073 27,220 13,610 6,805 20,416 10,208 5,104 2,552 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619

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