7,318,420

2² × 5 × 19 × 19259

Starting at 7,318,420, the Collatz iteration reaches 1 after 41 steps. The first transition is 3659210; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 19 × 19259

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 16,178,400

Proper Divisor Sum 8,859,980

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #7318397 ← → #7318429

Radix Representation

Decimal	7318420
Binary	11011111010101110010100 (23 bits)
Octal	0o33725624
Hexadecimal	0x6FAB94

Divisor Catalog (24)

1 2 4 5 10 19 20 38 76 95 190 380 19,259 38,518 77,036 96,295 192,590 365,921 385,180 731,842 1,463,684 1,829,605 3,659,210 7,318,420

Collatz Trajectory (41 steps to reach 1)

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

7,318,420 3,659,210 1,829,605 5,488,816 2,744,408 1,372,204 686,102 343,051 1,029,154 514,577 1,543,732 771,866 385,933 1,157,800 578,900 289,450 144,725 434,176 217,088 108,544 54,272 27,136 13,568 6,784 3,392 1,696 848 424 212 106 53 160 80 40 20 10 5 16 8 4 2 1

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