15,121,243

109 × 138727

15,121,243 factors as 109 × 138727. Its 4 positive divisors give a proper-divisor sum of 138,837, so this integer is deficient. The Collatz stopping time is 112 steps.

Prime Factor Structure

Factorization String 109 × 138727

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 15,260,080

Proper Divisor Sum 138,837

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #15121241 ← → #15121247

Radix Representation

Decimal	15121243
Binary	111001101011101101011011 (24 bits)
Octal	0o71535533
Hexadecimal	0xE6BB5B

Divisor Catalog (4)

1 109 138,727 15,121,243

Collatz Trajectory (112 steps to reach 1)

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

15,121,243 45,363,730 22,681,865 68,045,596 34,022,798 17,011,399 51,034,198 25,517,099 76,551,298 38,275,649 114,826,948 57,413,474 28,706,737 86,120,212 43,060,106 21,530,053 64,590,160 32,295,080 16,147,540 8,073,770 4,036,885 12,110,656 6,055,328 3,027,664 1,513,832 756,916 378,458 189,229 567,688 283,844 141,922 70,961 212,884 106,442 53,221 159,664 79,832 39,916 19,958 9,979 29,938 14,969 44,908 22,454 11,227 33,682 16,841 50,524 25,262 12,631 37,894 18,947 56,842 28,421 85,264 42,632 21,316 10,658 5,329 15,988

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