404,145

3² × 5 × 7 × 1283

Prime Factor Structure

Factorization String 3^2 × 5 × 7 × 1283

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 801,216

Proper Divisor Sum 397,071

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #404123 ← → #404161

1 3 5 7 9 15 21 35 45 63 105 315 1,283 3,849 6,415 8,981 11,547 19,245 26,943 44,905 57,735 80,829 134,715 404,145

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

404,145 1,212,436 606,218 303,109 909,328 454,664 227,332 113,666 56,833 170,500 85,250 42,625 127,876 63,938 31,969 95,908 47,954 23,977 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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