401,394

2 × 3 × 7 × 19 × 503

Prime Factor Structure

Factorization String 2 × 3 × 7 × 19 × 503

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 967,680

Proper Divisor Sum 566,286

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #401393 ← → #401407

1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 503 798 1,006 1,509 3,018 3,521 7,042 9,557 10,563 19,114 21,126 28,671 57,342 66,899 133,798 200,697 401,394

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

401,394 200,697 602,092 301,046 150,523 451,570 225,785 677,356 338,678 169,339 508,018 254,009 762,028 381,014 190,507 571,522 285,761 857,284 428,642 214,321 642,964 321,482 160,741 482,224 241,112 120,556 60,278 30,139 90,418 45,209 135,628 67,814 33,907 101,722 50,861 152,584 76,292 38,146 19,073 57,220 28,610 14,305 42,916 21,458 10,729 32,188 16,094 8,047 24,142 12,071 36,214 18,107 54,322 27,161 81,484 40,742 20,371 61,114 30,557 91,672

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