5,621,277

3 × 151 × 12409

Starting at 5,621,277, the Collatz iteration reaches 1 after 157 steps. The first transition is 16863832; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 151 × 12409

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,545,280

Proper Divisor Sum 1,924,003

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #5621267 ← → #5621281

Radix Representation

Decimal	5621277
Binary	10101011100011000011101 (23 bits)
Octal	0o25343035
Hexadecimal	0x55C61D

Divisor Catalog (8)

1 3 151 453 12,409 37,227 1,873,759 5,621,277

Collatz Trajectory (157 steps to reach 1)

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

5,621,277 16,863,832 8,431,916 4,215,958 2,107,979 6,323,938 3,161,969 9,485,908 4,742,954 2,371,477 7,114,432 3,557,216 1,778,608 889,304 444,652 222,326 111,163 333,490 166,745 500,236 250,118 125,059 375,178 187,589 562,768 281,384 140,692 70,346 35,173 105,520 52,760 26,380 13,190 6,595 19,786 9,893 29,680 14,840 7,420 3,710 1,855 5,566 2,783 8,350 4,175 12,526 6,263 18,790 9,395 28,186 14,093 42,280 21,140 10,570 5,285 15,856 7,928 3,964 1,982 991

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