550,221

3 × 7² × 19 × 197

Prime Factor Structure

Factorization String 3 × 7^2 × 19 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 902,880

Proper Divisor Sum 352,659

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #550213 ← → #550241

1 3 7 19 21 49 57 133 147 197 399 591 931 1,379 2,793 3,743 4,137 9,653 11,229 26,201 28,959 78,603 183,407 550,221

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

550,221 1,650,664 825,332 412,666 206,333 619,000 309,500 154,750 77,375 232,126 116,063 348,190 174,095 522,286 261,143 783,430 391,715 1,175,146 587,573 1,762,720 881,360 440,680 220,340 110,170 55,085 165,256 82,628 41,314 20,657 61,972 30,986 15,493 46,480 23,240 11,620 5,810 2,905 8,716 4,358 2,179 6,538 3,269 9,808 4,904 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98

Browse other published profiles and their separate link collections.

No other profiles in this collection.