λ
Ratio Atlas

99,862,121

99862121
Deficient Odd Prime

99,862,121 factors as 99862121. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 138 steps.

Prime Factor Structure

Factorization String 99862121
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 99,862,122
Proper Divisor Sum 1
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #99862111 ← → #99862127

Radix Representation

Decimal 99862121
Binary 101111100111100011001101001 (27 bits)
Octal 0o574743151
Hexadecimal 0x5F3C669

Divisor Catalog (2)

Collatz Trajectory (138 steps to reach 1)

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

99,862,121 299,586,364 149,793,182 74,896,591 224,689,774 112,344,887 337,034,662 168,517,331 505,551,994 252,775,997 758,327,992 379,163,996 189,581,998 94,790,999 284,372,998 142,186,499 426,559,498 213,279,749 639,839,248 319,919,624 159,959,812 79,979,906 39,989,953 119,969,860 59,984,930 29,992,465 89,977,396 44,988,698 22,494,349 67,483,048 33,741,524 16,870,762 8,435,381 25,306,144 12,653,072 6,326,536 3,163,268 1,581,634 790,817 2,372,452 1,186,226 593,113 1,779,340 889,670 444,835 1,334,506 667,253 2,001,760 1,000,880 500,440 250,220 125,110 62,555 187,666 93,833 281,500 140,750 70,375 211,126 105,563

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