42,171,999

3 × 3119 × 4507

42,171,999 factors as 3 × 3119 × 4507. Its 8 positive divisors give a proper-divisor sum of 14,087,841, so this integer is deficient. The Collatz stopping time is 191 steps.

Prime Factor Structure

Factorization String 3 × 3119 × 4507

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 56,259,840

Proper Divisor Sum 14,087,841

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #42171989 ← → #42172007

Radix Representation

Decimal	42171999
Binary	10100000110111111001011111 (26 bits)
Octal	0o240677137
Hexadecimal	0x2837E5F

Divisor Catalog (8)

1 3 3,119 4,507 9,357 13,521 14,057,333 42,171,999

Collatz Trajectory (191 steps to reach 1)

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

42,171,999 126,515,998 63,257,999 189,773,998 94,886,999 284,660,998 142,330,499 426,991,498 213,495,749 640,487,248 320,243,624 160,121,812 80,060,906 40,030,453 120,091,360 60,045,680 30,022,840 15,011,420 7,505,710 3,752,855 11,258,566 5,629,283 16,887,850 8,443,925 25,331,776 12,665,888 6,332,944 3,166,472 1,583,236 791,618 395,809 1,187,428 593,714 296,857 890,572 445,286 222,643 667,930 333,965 1,001,896 500,948 250,474 125,237 375,712 187,856 93,928 46,964 23,482 11,741 35,224 17,612 8,806 4,403 13,210 6,605 19,816 9,908 4,954 2,477 7,432

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