1,649,129

1649129

1,649,129 factors as 1649129. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 238 steps.

Prime Factor Structure

Factorization String 1649129

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,649,130

Proper Divisor Sum 1

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1649111 ← → #1649147

Radix Representation

Decimal	1649129
Binary	110010010100111101001 (21 bits)
Octal	0o6224751
Hexadecimal	0x1929E9

Divisor Catalog (2)

1 1,649,129

Collatz Trajectory (238 steps to reach 1)

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

1,649,129 4,947,388 2,473,694 1,236,847 3,710,542 1,855,271 5,565,814 2,782,907 8,348,722 4,174,361 12,523,084 6,261,542 3,130,771 9,392,314 4,696,157 14,088,472 7,044,236 3,522,118 1,761,059 5,283,178 2,641,589 7,924,768 3,962,384 1,981,192 990,596 495,298 247,649 742,948 371,474 185,737 557,212 278,606 139,303 417,910 208,955 626,866 313,433 940,300 470,150 235,075 705,226 352,613 1,057,840 528,920 264,460 132,230 66,115 198,346 99,173 297,520 148,760 74,380 37,190 18,595 55,786 27,893 83,680 41,840 20,920 10,460

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