2,991,950

2 × 5² × 13 × 4603

2,991,950 factors as 2 × 5^2 × 13 × 4603. Its 24 positive divisors give a proper-divisor sum of 3,002,458, so this integer is abundant. The Collatz stopping time is 76 steps.

Prime Factor Structure

Factorization String 2 × 5^2 × 13 × 4603

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 5,994,408

Proper Divisor Sum 3,002,458

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #2991929 ← → #2991971

Radix Representation

Decimal	2991950
Binary	1011011010011101001110 (22 bits)
Octal	0o13323516
Hexadecimal	0x2DA74E

Divisor Catalog (24)

Collatz Trajectory (76 steps to reach 1)

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

2,991,950 1,495,975 4,487,926 2,243,963 6,731,890 3,365,945 10,097,836 5,048,918 2,524,459 7,573,378 3,786,689 11,360,068 5,680,034 2,840,017 8,520,052 4,260,026 2,130,013 6,390,040 3,195,020 1,597,510 798,755 2,396,266 1,198,133 3,594,400 1,797,200 898,600 449,300 224,650 112,325 336,976 168,488 84,244 42,122 21,061 63,184 31,592 15,796 7,898 3,949 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704 352 176 88

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