688,965

3 × 5 × 23 × 1997

Prime Factor Structure

Factorization String 3 × 5 × 23 × 1997

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,150,848

Proper Divisor Sum 461,883

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #688957 ← → #688969

1 3 5 15 23 69 115 345 1,997 5,991 9,985 29,955 45,931 137,793 229,655 688,965

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

688,965 2,066,896 1,033,448 516,724 258,362 129,181 387,544 193,772 96,886 48,443 145,330 72,665 217,996 108,998 54,499 163,498 81,749 245,248 122,624 61,312 30,656 15,328 7,664 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

Browse other published profiles and their separate link collections.

No other profiles in this collection.