143,708

2² × 37 × 971

143,708 has digital root 5. The neighboring primes are 143699 and 143711; its proper-divisor sum differs from the starting integer by -28,864.

Prime Factor Structure

Factorization String 2^2 × 37 × 971

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 258,552

Proper Divisor Sum 114,844

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #143699 ← → #143711

1 2 4 37 74 148 971 1,942 3,884 35,927 71,854 143,708

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

143,708 71,854 35,927 107,782 53,891 161,674 80,837 242,512 121,256 60,628 30,314 15,157 45,472 22,736 11,368 5,684 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1