309,517

13 × 29 × 821

Prime Factor Structure

Factorization String 13 × 29 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 345,240

Proper Divisor Sum 35,723

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #309503 ← → #309521

1 13 29 377 821 10,673 23,809 309,517

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

309,517 928,552 464,276 232,138 116,069 348,208 174,104 87,052 43,526 21,763 65,290 32,645 97,936 48,968 24,484 12,242 6,121 18,364 9,182 4,591 13,774 6,887 20,662 10,331 30,994 15,497 46,492 23,246 11,623 34,870 17,435 52,306 26,153 78,460 39,230 19,615 58,846 29,423 88,270 44,135 132,406 66,203 198,610 99,305 297,916 148,958 74,479 223,438 111,719 335,158 167,579 502,738 251,369 754,108 377,054 188,527 565,582 282,791 848,374 424,187

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