399,489

3 × 37 × 59 × 61

Prime Factor Structure

Factorization String 3 × 37 × 59 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 565,440

Proper Divisor Sum 165,951

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #399481 ← → #399491

1 3 37 59 61 111 177 183 2,183 2,257 3,599 6,549 6,771 10,797 133,163 399,489

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

399,489 1,198,468 599,234 299,617 898,852 449,426 224,713 674,140 337,070 168,535 505,606 252,803 758,410 379,205 1,137,616 568,808 284,404 142,202 71,101 213,304 106,652 53,326 26,663 79,990 39,995 119,986 59,993 179,980 89,990 44,995 134,986 67,493 202,480 101,240 50,620 25,310 12,655 37,966 18,983 56,950 28,475 85,426 42,713 128,140 64,070 32,035 96,106 48,053 144,160 72,080 36,040 18,020 9,010 4,505 13,516 6,758 3,379 10,138 5,069 15,208

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