1,521,207

3³ × 103 × 547

Prime Factor Structure

Factorization String 3^3 × 103 × 547

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,279,680

Proper Divisor Sum 758,473

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #1521199 ← → #1521209

Radix Representation

Decimal	1521207
Binary	101110011011000110111 (21 bits)
Octal	0o5633067
Hexadecimal	0x173637

Divisor Catalog (16)

1 3 9 27 103 309 547 927 1,641 2,781 4,923 14,769 56,341 169,023 507,069 1,521,207

Collatz Trajectory (181 steps to reach 1)

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

1,521,207 4,563,622 2,281,811 6,845,434 3,422,717 10,268,152 5,134,076 2,567,038 1,283,519 3,850,558 1,925,279 5,775,838 2,887,919 8,663,758 4,331,879 12,995,638 6,497,819 19,493,458 9,746,729 29,240,188 14,620,094 7,310,047 21,930,142 10,965,071 32,895,214 16,447,607 49,342,822 24,671,411 74,014,234 37,007,117 111,021,352 55,510,676 27,755,338 13,877,669 41,633,008 20,816,504 10,408,252 5,204,126 2,602,063 7,806,190 3,903,095 11,709,286 5,854,643 17,563,930 8,781,965 26,345,896 13,172,948 6,586,474 3,293,237 9,879,712 4,939,856 2,469,928 1,234,964 617,482 308,741 926,224 463,112 231,556 115,778 57,889

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