313,989

3 × 13 × 83 × 97

Prime Factor Structure

Factorization String 3 × 13 × 83 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 460,992

Proper Divisor Sum 147,003

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #313987 ← → #313991

1 3 13 39 83 97 249 291 1,079 1,261 3,237 3,783 8,051 24,153 104,663 313,989

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

313,989 941,968 470,984 235,492 117,746 58,873 176,620 88,310 44,155 132,466 66,233 198,700 99,350 49,675 149,026 74,513 223,540 111,770 55,885 167,656 83,828 41,914 20,957 62,872 31,436 15,718 7,859 23,578 11,789 35,368 17,684 8,842 4,421 13,264 6,632 3,316 1,658 829 2,488 1,244 622 311 934 467 1,402 701 2,104 1,052 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334

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