2² × 5 × 41 × 349

Prime Factor Structure

Factorization String 2^2 × 5 × 41 × 349

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 617,400

Proper Divisor Sum 331,220

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #286171 ← → #286199

1 2 4 5 10 20 41 82 164 205 349 410 698 820 1,396 1,745 3,490 6,980 14,309 28,618 57,236 71,545 143,090 286,180

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

286,180 143,090 71,545 214,636 107,318 53,659 160,978 80,489 241,468 120,734 60,367 181,102 90,551 271,654 135,827 407,482 203,741 611,224 305,612 152,806 76,403 229,210 114,605 343,816 171,908 85,954 42,977 128,932 64,466 32,233 96,700 48,350 24,175 72,526 36,263 108,790 54,395 163,186 81,593 244,780 122,390 61,195 183,586 91,793 275,380 137,690 68,845 206,536 103,268 51,634 25,817 77,452 38,726 19,363 58,090 29,045 87,136 43,568 21,784 10,892

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