2² × 5² × 31 × 139

Prime Factor Structure

Factorization String 2^2 × 5^2 × 31 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 972,160

Proper Divisor Sum 541,260

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #430897 ← → #430907

1 2 4 5 10 20 25 31 50 62 100 124 139 155 278 310 556 620 695 775 1,390 1,550 2,780 3,100 3,475 4,309 6,950 8,618 13,900 17,236 21,545 43,090 86,180 107,725 215,450 430,900

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

430,900 215,450 107,725 323,176 161,588 80,794 40,397 121,192 60,596 30,298 15,149 45,448 22,724 11,362 5,681 17,044 8,522 4,261 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752

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