3,720,421

3720421

3,720,421 factors as 3720421. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 159 steps.

Prime Factor Structure

Factorization String 3720421

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 3,720,422

Proper Divisor Sum 1

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #3720413 ← → #3720427

Radix Representation

Decimal	3720421
Binary	1110001100010011100101 (22 bits)
Octal	0o16142345
Hexadecimal	0x38C4E5

Divisor Catalog (2)

1 3,720,421

Collatz Trajectory (159 steps to reach 1)

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

3,720,421 11,161,264 5,580,632 2,790,316 1,395,158 697,579 2,092,738 1,046,369 3,139,108 1,569,554 784,777 2,354,332 1,177,166 588,583 1,765,750 882,875 2,648,626 1,324,313 3,972,940 1,986,470 993,235 2,979,706 1,489,853 4,469,560 2,234,780 1,117,390 558,695 1,676,086 838,043 2,514,130 1,257,065 3,771,196 1,885,598 942,799 2,828,398 1,414,199 4,242,598 2,121,299 6,363,898 3,181,949 9,545,848 4,772,924 2,386,462 1,193,231 3,579,694 1,789,847 5,369,542 2,684,771 8,054,314 4,027,157 12,081,472 6,040,736 3,020,368 1,510,184 755,092 377,546 188,773 566,320 283,160 141,580

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