18,242,517

3 × 37 × 149 × 1103

Prime Factor Structure

Factorization String 3 × 37 × 149 × 1103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 25,171,200

Proper Divisor Sum 6,928,683

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #18242507 ← → #18242551

1 3 37 111 149 447 1,103 3,309 5,513 16,539 40,811 122,433 164,347 493,041 6,080,839 18,242,517

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

18,242,517 54,727,552 27,363,776 13,681,888 6,840,944 3,420,472 1,710,236 855,118 427,559 1,282,678 641,339 1,924,018 962,009 2,886,028 1,443,014 721,507 2,164,522 1,082,261 3,246,784 1,623,392 811,696 405,848 202,924 101,462 50,731 152,194 76,097 228,292 114,146 57,073 171,220 85,610 42,805 128,416 64,208 32,104 16,052 8,026 4,013 12,040 6,020 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220

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