λ
Sequence Observatory

7,255,396

22 × 17 × 23 × 4639
Deficient Even Composite

Starting at 7,255,396, the Collatz iteration reaches 1 after 191 steps. The first transition is 3627698; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 17 × 23 × 4639
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 14,031,360
Proper Divisor Sum 6,775,964
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #7255357 ← → #7255403

Radix Representation

Decimal 7255396
Binary 11011101011010101100100 (23 bits)
Octal 0o33532544
Hexadecimal 0x6EB564

Divisor Catalog (24)

1 2 4 17 23 34 46 68 92 391 782 1,564 4,639 9,278 18,556 78,863 106,697 157,726 213,394 315,452 426,788 1,813,849 3,627,698 7,255,396

Collatz Trajectory (191 steps to reach 1)

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

7,255,396 3,627,698 1,813,849 5,441,548 2,720,774 1,360,387 4,081,162 2,040,581 6,121,744 3,060,872 1,530,436 765,218 382,609 1,147,828 573,914 286,957 860,872 430,436 215,218 107,609 322,828 161,414 80,707 242,122 121,061 363,184 181,592 90,796 45,398 22,699 68,098 34,049 102,148 51,074 25,537 76,612 38,306 19,153 57,460 28,730 14,365 43,096 21,548 10,774 5,387 16,162 8,081 24,244 12,122 6,061 18,184 9,092 4,546 2,273 6,820 3,410 1,705 5,116 2,558 1,279

More profiles

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