λ
Ratio Atlas

80,918,399

80918399
Deficient Odd Prime

80,918,399 factors as 80918399. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 166 steps.

Prime Factor Structure

Factorization String 80918399
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 80,918,400
Proper Divisor Sum 1
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #80918363 ← → #80918407

Radix Representation

Decimal 80918399
Binary 100110100101011011101111111 (27 bits)
Octal 0o464533577
Hexadecimal 0x4D2B77F

Divisor Catalog (2)

Collatz Trajectory (166 steps to reach 1)

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

80,918,399 242,755,198 121,377,599 364,132,798 182,066,399 546,199,198 273,099,599 819,298,798 409,649,399 1,228,948,198 614,474,099 1,843,422,298 921,711,149 2,765,133,448 1,382,566,724 691,283,362 345,641,681 1,036,925,044 518,462,522 259,231,261 777,693,784 388,846,892 194,423,446 97,211,723 291,635,170 145,817,585 437,452,756 218,726,378 109,363,189 328,089,568 164,044,784 82,022,392 41,011,196 20,505,598 10,252,799 30,758,398 15,379,199 46,137,598 23,068,799 69,206,398 34,603,199 103,809,598 51,904,799 155,714,398 77,857,199 233,571,598 116,785,799 350,357,398 175,178,699 525,536,098 262,768,049 788,304,148 394,152,074 197,076,037 591,228,112 295,614,056 147,807,028 73,903,514 36,951,757 110,855,272

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