13,428,487

17 × 31 × 83 × 307

13,428,487 factors as 17 × 31 × 83 × 307. Its 16 positive divisors give a proper-divisor sum of 1,473,785, so this integer is deficient. The Collatz stopping time is 210 steps.

Prime Factor Structure

Factorization String 17 × 31 × 83 × 307

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 14,902,272

Proper Divisor Sum 1,473,785

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #13428461 ← → #13428491

Radix Representation

Decimal	13428487
Binary	110011001110011100000111 (24 bits)
Octal	0o63163407
Hexadecimal	0xCCE707

Divisor Catalog (16)

1 17 31 83 307 527 1,411 2,573 5,219 9,517 25,481 43,741 161,789 433,177 789,911 13,428,487

Collatz Trajectory (210 steps to reach 1)

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

13,428,487 40,285,462 20,142,731 60,428,194 30,214,097 90,642,292 45,321,146 22,660,573 67,981,720 33,990,860 16,995,430 8,497,715 25,493,146 12,746,573 38,239,720 19,119,860 9,559,930 4,779,965 14,339,896 7,169,948 3,584,974 1,792,487 5,377,462 2,688,731 8,066,194 4,033,097 12,099,292 6,049,646 3,024,823 9,074,470 4,537,235 13,611,706 6,805,853 20,417,560 10,208,780 5,104,390 2,552,195 7,656,586 3,828,293 11,484,880 5,742,440 2,871,220 1,435,610 717,805 2,153,416 1,076,708 538,354 269,177 807,532 403,766 201,883 605,650 302,825 908,476 454,238 227,119 681,358 340,679 1,022,038 511,019

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