404,156

2² × 23² × 191

Prime Factor Structure

Factorization String 2^2 × 23^2 × 191

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 743,232

Proper Divisor Sum 339,076

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #404123 ← → #404161

1 2 4 23 46 92 191 382 529 764 1,058 2,116 4,393 8,786 17,572 101,039 202,078 404,156

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

404,156 202,078 101,039 303,118 151,559 454,678 227,339 682,018 341,009 1,023,028 511,514 255,757 767,272 383,636 191,818 95,909 287,728 143,864 71,932 35,966 17,983 53,950 26,975 80,926 40,463 121,390 60,695 182,086 91,043 273,130 136,565 409,696 204,848 102,424 51,212 25,606 12,803 38,410 19,205 57,616 28,808 14,404 7,202 3,601 10,804 5,402 2,701 8,104 4,052 2,026 1,013 3,040 1,520 760 380 190 95 286 143 430

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