15,774,421

13 × 43 × 28219

15,774,421 factors as 13 × 43 × 28219. Its 8 positive divisors give a proper-divisor sum of 1,609,099, so this integer is deficient. The Collatz stopping time is 143 steps.

Prime Factor Structure

Factorization String 13 × 43 × 28219

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 17,383,520

Proper Divisor Sum 1,609,099

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #15774391 ← → #15774433

Radix Representation

Decimal	15774421
Binary	111100001011001011010101 (24 bits)
Octal	0o74131325
Hexadecimal	0xF0B2D5

Divisor Catalog (8)

1 13 43 559 28,219 366,847 1,213,417 15,774,421

Collatz Trajectory (143 steps to reach 1)

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

15,774,421 47,323,264 23,661,632 11,830,816 5,915,408 2,957,704 1,478,852 739,426 369,713 1,109,140 554,570 277,285 831,856 415,928 207,964 103,982 51,991 155,974 77,987 233,962 116,981 350,944 175,472 87,736 43,868 21,934 10,967 32,902 16,451 49,354 24,677 74,032 37,016 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206 2,603 7,810 3,905 11,716 5,858 2,929 8,788 4,394 2,197 6,592 3,296 1,648 824 412 206 103 310 155 466

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