428,689

17 × 151 × 167

Prime Factor Structure

Factorization String 17 × 151 × 167

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 459,648

Proper Divisor Sum 30,959

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #428683 ← → #428693

1 17 151 167 2,567 2,839 25,217 428,689

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

428,689 1,286,068 643,034 321,517 964,552 482,276 241,138 120,569 361,708 180,854 90,427 271,282 135,641 406,924 203,462 101,731 305,194 152,597 457,792 228,896 114,448 57,224 28,612 14,306 7,153 21,460 10,730 5,365 16,096 8,048 4,024 2,012 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734

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