13,620,125

5³ × 108961

13,620,125 factors as 5^3 × 108961. Its 8 positive divisors give a proper-divisor sum of 3,377,947, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 5^3 × 108961

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 16,998,072

Proper Divisor Sum 3,377,947

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #13620119 ← → #13620127

Radix Representation

Decimal	13620125
Binary	110011111101001110011101 (24 bits)
Octal	0o63751635
Hexadecimal	0xCFD39D

Divisor Catalog (8)

1 5 25 125 108,961 544,805 2,724,025 13,620,125

Collatz Trajectory (135 steps to reach 1)

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

13,620,125 40,860,376 20,430,188 10,215,094 5,107,547 15,322,642 7,661,321 22,983,964 11,491,982 5,745,991 17,237,974 8,618,987 25,856,962 12,928,481 38,785,444 19,392,722 9,696,361 29,089,084 14,544,542 7,272,271 21,816,814 10,908,407 32,725,222 16,362,611 49,087,834 24,543,917 73,631,752 36,815,876 18,407,938 9,203,969 27,611,908 13,805,954 6,902,977 20,708,932 10,354,466 5,177,233 15,531,700 7,765,850 3,882,925 11,648,776 5,824,388 2,912,194 1,456,097 4,368,292 2,184,146 1,092,073 3,276,220 1,638,110 819,055 2,457,166 1,228,583 3,685,750 1,842,875 5,528,626 2,764,313 8,292,940 4,146,470 2,073,235 6,219,706 3,109,853

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