31,228,721

31228721

31,228,721 factors as 31228721. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 126 steps.

Prime Factor Structure

Factorization String 31228721

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 31,228,722

Proper Divisor Sum 1

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #31228709 ← → #31228741

Radix Representation

Decimal	31228721
Binary	1110111001000001100110001 (25 bits)
Octal	0o167101461
Hexadecimal	0x1DC8331

Divisor Catalog (2)

1 31,228,721

Collatz Trajectory (126 steps to reach 1)

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

31,228,721 93,686,164 46,843,082 23,421,541 70,264,624 35,132,312 17,566,156 8,783,078 4,391,539 13,174,618 6,587,309 19,761,928 9,880,964 4,940,482 2,470,241 7,410,724 3,705,362 1,852,681 5,558,044 2,779,022 1,389,511 4,168,534 2,084,267 6,252,802 3,126,401 9,379,204 4,689,602 2,344,801 7,034,404 3,517,202 1,758,601 5,275,804 2,637,902 1,318,951 3,956,854 1,978,427 5,935,282 2,967,641 8,902,924 4,451,462 2,225,731 6,677,194 3,338,597 10,015,792 5,007,896 2,503,948 1,251,974 625,987 1,877,962 938,981 2,816,944 1,408,472 704,236 352,118 176,059 528,178 264,089 792,268 396,134 198,067

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