5 × 11 × 43 × 89

Prime Factor Structure

Factorization String 5 × 11 × 43 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 285,120

Proper Divisor Sum 74,635

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #210481 ← → #210487

1 5 11 43 55 89 215 445 473 979 2,365 3,827 4,895 19,135 42,097 210,485

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

210,485 631,456 315,728 157,864 78,932 39,466 19,733 59,200 29,600 14,800 7,400 3,700 1,850 925 2,776 1,388 694 347 1,042 521 1,564 782 391 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233

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