λ
Ratio Atlas

16,211,947

16211947
Deficient Odd Prime

16,211,947 factors as 16211947. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 262 steps.

Prime Factor Structure

Factorization String 16211947
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 16,211,948
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #16211929 ← → #16211963

Radix Representation

Decimal 16211947
Binary 111101110101111111101011 (24 bits)
Octal 0o75657753
Hexadecimal 0xF75FEB

Divisor Catalog (2)

Collatz Trajectory (262 steps to reach 1)

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

16,211,947 48,635,842 24,317,921 72,953,764 36,476,882 18,238,441 54,715,324 27,357,662 13,678,831 41,036,494 20,518,247 61,554,742 30,777,371 92,332,114 46,166,057 138,498,172 69,249,086 34,624,543 103,873,630 51,936,815 155,810,446 77,905,223 233,715,670 116,857,835 350,573,506 175,286,753 525,860,260 262,930,130 131,465,065 394,395,196 197,197,598 98,598,799 295,796,398 147,898,199 443,694,598 221,847,299 665,541,898 332,770,949 998,312,848 499,156,424 249,578,212 124,789,106 62,394,553 187,183,660 93,591,830 46,795,915 140,387,746 70,193,873 210,581,620 105,290,810 52,645,405 157,936,216 78,968,108 39,484,054 19,742,027 59,226,082 29,613,041 88,839,124 44,419,562 22,209,781

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