389,404

2² × 67 × 1453

Prime Factor Structure

Factorization String 2^2 × 67 × 1453

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 692,104

Proper Divisor Sum 302,700

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #389401 ← → #389437

1 2 4 67 134 268 1,453 2,906 5,812 97,351 194,702 389,404

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

389,404 194,702 97,351 292,054 146,027 438,082 219,041 657,124 328,562 164,281 492,844 246,422 123,211 369,634 184,817 554,452 277,226 138,613 415,840 207,920 103,960 51,980 25,990 12,995 38,986 19,493 58,480 29,240 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206 2,603 7,810 3,905 11,716 5,858 2,929 8,788 4,394 2,197 6,592 3,296 1,648 824 412

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