691121

Prime Factor Structure

Factorization String 691121

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 691,122

Proper Divisor Sum 1

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #691111 ← → #691129

1 691,121

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

691,121 2,073,364 1,036,682 518,341 1,555,024 777,512 388,756 194,378 97,189 291,568 145,784 72,892 36,446 18,223 54,670 27,335 82,006 41,003 123,010 61,505 184,516 92,258 46,129 138,388 69,194 34,597 103,792 51,896 25,948 12,974 6,487 19,462 9,731 29,194 14,597 43,792 21,896 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736

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