2² × 5² × 13 × 157

Prime Factor Structure

Factorization String 2^2 × 5^2 × 13 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 480,004

Proper Divisor Sum 275,904

Digit Sum / Digital Root 7 (Root: 7)

Adjacent Primes #204067 ← → #204101

1 2 4 5 10 13 20 25 26 50 52 65 100 130 157 260 314 325 628 650 785 1,300 1,570 2,041 3,140 3,925 4,082 7,850 8,164 10,205 15,700 20,410 40,820 51,025 102,050 204,100

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

204,100 102,050 51,025 153,076 76,538 38,269 114,808 57,404 28,702 14,351 43,054 21,527 64,582 32,291 96,874 48,437 145,312 72,656 36,328 18,164 9,082 4,541 13,624 6,812 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300

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