2² × 5 × 7 × 2777

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 2777

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 933,408

Proper Divisor Sum 544,628

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #388777 ← → #388781

1 2 4 5 7 10 14 20 28 35 70 140 2,777 5,554 11,108 13,885 19,439 27,770 38,878 55,540 77,756 97,195 194,390 388,780

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

388,780 194,390 97,195 291,586 145,793 437,380 218,690 109,345 328,036 164,018 82,009 246,028 123,014 61,507 184,522 92,261 276,784 138,392 69,196 34,598 17,299 51,898 25,949 77,848 38,924 19,462 9,731 29,194 14,597 43,792 21,896 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70

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