405491

Prime Factor Structure

Factorization String 405491

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 405,492

Proper Divisor Sum 1

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #405487 ← → #405497

1 405,491

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

405,491 1,216,474 608,237 1,824,712 912,356 456,178 228,089 684,268 342,134 171,067 513,202 256,601 769,804 384,902 192,451 577,354 288,677 866,032 433,016 216,508 108,254 54,127 162,382 81,191 243,574 121,787 365,362 182,681 548,044 274,022 137,011 411,034 205,517 616,552 308,276 154,138 77,069 231,208 115,604 57,802 28,901 86,704 43,352 21,676 10,838 5,419 16,258 8,129 24,388 12,194 6,097 18,292 9,146 4,573 13,720 6,860 3,430 1,715 5,146 2,573

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