25,307,152

2⁴ × 13 × 17² × 421

Prime Factor Structure

Factorization String 2^4 × 13 × 17^2 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 60

Divisor Sum (σ) 56,226,436

Proper Divisor Sum 30,919,284

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #25307143 ← → #25307171

1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 289 421 442 578 842 884 1,156 1,684 1,768 2,312 3,368 3,536 3,757 4,624 5,473 6,736 7,157 7,514 10,946 14,314 15,028 21,892 28,628 30,056 43,784 57,256 60,112 87,568 93,041 114,512 121,669 186,082 243,338 372,164 486,676 744,328 973,352 1,488,656 1,581,697 1,946,704 3,163,394 6,326,788 12,653,576 25,307,152

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

25,307,152 12,653,576 6,326,788 3,163,394 1,581,697 4,745,092 2,372,546 1,186,273 3,558,820 1,779,410 889,705 2,669,116 1,334,558 667,279 2,001,838 1,000,919 3,002,758 1,501,379 4,504,138 2,252,069 6,756,208 3,378,104 1,689,052 844,526 422,263 1,266,790 633,395 1,900,186 950,093 2,850,280 1,425,140 712,570 356,285 1,068,856 534,428 267,214 133,607 400,822 200,411 601,234 300,617 901,852 450,926 225,463 676,390 338,195 1,014,586 507,293 1,521,880 760,940 380,470 190,235 570,706 285,353 856,060 428,030 214,015 642,046 321,023 963,070

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