15,671,755

5 × 11 × 107 × 2663

15,671,755 factors as 5 × 11 × 107 × 2663. Its 16 positive divisors give a proper-divisor sum of 5,043,509, so this integer is deficient. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 5 × 11 × 107 × 2663

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 20,715,264

Proper Divisor Sum 5,043,509

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #15671753 ← → #15671767

Radix Representation

Decimal	15671755
Binary	111011110010000111001011 (24 bits)
Octal	0o73620713
Hexadecimal	0xEF21CB

Divisor Catalog (16)

1 5 11 55 107 535 1,177 2,663 5,885 13,315 29,293 146,465 284,941 1,424,705 3,134,351 15,671,755

Collatz Trajectory (187 steps to reach 1)

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

15,671,755 47,015,266 23,507,633 70,522,900 35,261,450 17,630,725 52,892,176 26,446,088 13,223,044 6,611,522 3,305,761 9,917,284 4,958,642 2,479,321 7,437,964 3,718,982 1,859,491 5,578,474 2,789,237 8,367,712 4,183,856 2,091,928 1,045,964 522,982 261,491 784,474 392,237 1,176,712 588,356 294,178 147,089 441,268 220,634 110,317 330,952 165,476 82,738 41,369 124,108 62,054 31,027 93,082 46,541 139,624 69,812 34,906 17,453 52,360 26,180 13,090 6,545 19,636 9,818 4,909 14,728 7,364 3,682 1,841 5,524 2,762

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