998,621

13² × 19 × 311

Prime Factor Structure

Factorization String 13^2 × 19 × 311

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,141,920

Proper Divisor Sum 143,299

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #998617 ← → #998623

1 13 19 169 247 311 3,211 4,043 5,909 52,559 76,817 998,621

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

998,621 2,995,864 1,497,932 748,966 374,483 1,123,450 561,725 1,685,176 842,588 421,294 210,647 631,942 315,971 947,914 473,957 1,421,872 710,936 355,468 177,734 88,867 266,602 133,301 399,904 199,952 99,976 49,988 24,994 12,497 37,492 18,746 9,373 28,120 14,060 7,030 3,515 10,546 5,273 15,820 7,910 3,955 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060

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