16,621,828

2² × 31 × 134047

16,621,828 factors as 2^2 × 31 × 134047. Its 12 positive divisors give a proper-divisor sum of 13,404,924, so this integer is deficient. The Collatz stopping time is 275 steps.

Prime Factor Structure

Factorization String 2^2 × 31 × 134047

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 30,026,752

Proper Divisor Sum 13,404,924

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #16621811 ← → #16621841

Radix Representation

Decimal	16621828
Binary	111111011010000100000100 (24 bits)
Octal	0o77320404
Hexadecimal	0xFDA104

Divisor Catalog (12)

1 2 4 31 62 124 134,047 268,094 536,188 4,155,457 8,310,914 16,621,828

Collatz Trajectory (275 steps to reach 1)

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

16,621,828 8,310,914 4,155,457 12,466,372 6,233,186 3,116,593 9,349,780 4,674,890 2,337,445 7,012,336 3,506,168 1,753,084 876,542 438,271 1,314,814 657,407 1,972,222 986,111 2,958,334 1,479,167 4,437,502 2,218,751 6,656,254 3,328,127 9,984,382 4,992,191 14,976,574 7,488,287 22,464,862 11,232,431 33,697,294 16,848,647 50,545,942 25,272,971 75,818,914 37,909,457 113,728,372 56,864,186 28,432,093 85,296,280 42,648,140 21,324,070 10,662,035 31,986,106 15,993,053 47,979,160 23,989,580 11,994,790 5,997,395 17,992,186 8,996,093 26,988,280 13,494,140 6,747,070 3,373,535 10,120,606 5,060,303 15,180,910 7,590,455 22,771,366

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