2⁵ × 139²

Prime Factor Structure

Factorization String 2^5 × 139^2

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,226,043

Proper Divisor Sum 607,771

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #618271 ← → #618287

1 2 4 8 16 32 139 278 556 1,112 2,224 4,448 19,321 38,642 77,284 154,568 309,136 618,272

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

618,272 309,136 154,568 77,284 38,642 19,321 57,964 28,982 14,491 43,474 21,737 65,212 32,606 16,303 48,910 24,455 73,366 36,683 110,050 55,025 165,076 82,538 41,269 123,808 61,904 30,952 15,476 7,738 3,869 11,608 5,804 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110

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