221677

Prime Factor Structure

Factorization String 221677

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 221,678

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #221671 ← → #221707

1 221,677

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

221,677 665,032 332,516 166,258 83,129 249,388 124,694 62,347 187,042 93,521 280,564 140,282 70,141 210,424 105,212 52,606 26,303 78,910 39,455 118,366 59,183 177,550 88,775 266,326 133,163 399,490 199,745 599,236 299,618 149,809 449,428 224,714 112,357 337,072 168,536 84,268 42,134 21,067 63,202 31,601 94,804 47,402 23,701 71,104 35,552 17,776 8,888 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408

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