640,174

2 × 37 × 41 × 211

Prime Factor Structure

Factorization String 2 × 37 × 41 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,015,056

Proper Divisor Sum 374,882

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #640163 ← → #640193

1 2 37 41 74 82 211 422 1,517 3,034 7,807 8,651 15,614 17,302 320,087 640,174

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

640,174 320,087 960,262 480,131 1,440,394 720,197 2,160,592 1,080,296 540,148 270,074 135,037 405,112 202,556 101,278 50,639 151,918 75,959 227,878 113,939 341,818 170,909 512,728 256,364 128,182 64,091 192,274 96,137 288,412 144,206 72,103 216,310 108,155 324,466 162,233 486,700 243,350 121,675 365,026 182,513 547,540 273,770 136,885 410,656 205,328 102,664 51,332 25,666 12,833 38,500 19,250 9,625 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061

Browse other published profiles and their separate link collections.

No other profiles in this collection.