13,137,335

5 × 31 × 131 × 647

13,137,335 factors as 5 × 31 × 131 × 647. Its 16 positive divisors give a proper-divisor sum of 3,285,577, so this integer is deficient. The Collatz stopping time is 228 steps.

Prime Factor Structure

Factorization String 5 × 31 × 131 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 16,422,912

Proper Divisor Sum 3,285,577

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #13137329 ← → #13137337

Radix Representation

Decimal	13137335
Binary	110010000111010110110111 (24 bits)
Octal	0o62072667
Hexadecimal	0xC875B7

Divisor Catalog (16)

1 5 31 131 155 647 655 3,235 4,061 20,057 20,305 84,757 100,285 423,785 2,627,467 13,137,335

Collatz Trajectory (228 steps to reach 1)

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

13,137,335 39,412,006 19,706,003 59,118,010 29,559,005 88,677,016 44,338,508 22,169,254 11,084,627 33,253,882 16,626,941 49,880,824 24,940,412 12,470,206 6,235,103 18,705,310 9,352,655 28,057,966 14,028,983 42,086,950 21,043,475 63,130,426 31,565,213 94,695,640 47,347,820 23,673,910 11,836,955 35,510,866 17,755,433 53,266,300 26,633,150 13,316,575 39,949,726 19,974,863 59,924,590 29,962,295 89,886,886 44,943,443 134,830,330 67,415,165 202,245,496 101,122,748 50,561,374 25,280,687 75,842,062 37,921,031 113,763,094 56,881,547 170,644,642 85,322,321 255,966,964 127,983,482 63,991,741 191,975,224 95,987,612 47,993,806 23,996,903 71,990,710 35,995,355 107,986,066

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