61,385,129

13 × 4721933

61,385,129 factors as 13 × 4721933. Its 4 positive divisors give a proper-divisor sum of 4,721,947, so this integer is deficient. The Collatz stopping time is 251 steps.

Prime Factor Structure

Factorization String 13 × 4721933

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 66,107,076

Proper Divisor Sum 4,721,947

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #61385119 ← → #61385131

Radix Representation

Decimal	61385129
Binary	11101010001010100110101001 (26 bits)
Octal	0o352124651
Hexadecimal	0x3A8A9A9

Divisor Catalog (4)

1 13 4,721,933 61,385,129

Collatz Trajectory (251 steps to reach 1)

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

61,385,129 184,155,388 92,077,694 46,038,847 138,116,542 69,058,271 207,174,814 103,587,407 310,762,222 155,381,111 466,143,334 233,071,667 699,215,002 349,607,501 1,048,822,504 524,411,252 262,205,626 131,102,813 393,308,440 196,654,220 98,327,110 49,163,555 147,490,666 73,745,333 221,236,000 110,618,000 55,309,000 27,654,500 13,827,250 6,913,625 20,740,876 10,370,438 5,185,219 15,555,658 7,777,829 23,333,488 11,666,744 5,833,372 2,916,686 1,458,343 4,375,030 2,187,515 6,562,546 3,281,273 9,843,820 4,921,910 2,460,955 7,382,866 3,691,433 11,074,300 5,537,150 2,768,575 8,305,726 4,152,863 12,458,590 6,229,295 18,687,886 9,343,943 28,031,830 14,015,915

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