λ
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4,139,895

3 × 5 × 29 × 31 × 307
Deficient Odd Composite

4,139,895 factors as 3 × 5 × 29 × 31 × 307. Its 32 positive divisors give a proper-divisor sum of 2,956,425, so this integer is deficient. The Collatz stopping time is 136 steps.

Prime Factor Structure

Factorization String 3 × 5 × 29 × 31 × 307
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 7,096,320
Proper Divisor Sum 2,956,425
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #4139881 ← → #4139899

Radix Representation

Decimal 4139895
Binary 1111110010101101110111 (22 bits)
Octal 0o17625567
Hexadecimal 0x3F2B77

Divisor Catalog (32)

1 3 5 15 29 31 87 93 145 155 307 435 465 899 921 1,535 2,697 4,495 4,605 8,903 9,517 13,485 26,709 28,551 44,515 47,585 133,545 142,755 275,993 827,979 1,379,965 4,139,895

Collatz Trajectory (136 steps to reach 1)

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

4,139,895 12,419,686 6,209,843 18,629,530 9,314,765 27,944,296 13,972,148 6,986,074 3,493,037 10,479,112 5,239,556 2,619,778 1,309,889 3,929,668 1,964,834 982,417 2,947,252 1,473,626 736,813 2,210,440 1,105,220 552,610 276,305 828,916 414,458 207,229 621,688 310,844 155,422 77,711 233,134 116,567 349,702 174,851 524,554 262,277 786,832 393,416 196,708 98,354 49,177 147,532 73,766 36,883 110,650 55,325 165,976 82,988 41,494 20,747 62,242 31,121 93,364 46,682 23,341 70,024 35,012 17,506 8,753 26,260

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