31,376

2⁴ × 37 × 53

31,376 has digital root 2. The neighboring primes are 31357 and 31379; its proper-divisor sum differs from the starting integer by 860.

Prime Factor Structure

Factorization String 2^4 × 37 × 53

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 20

Divisor Sum (σ) 63,612

Proper Divisor Sum 32,236

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #31357 ← → #31379

1 2 4 8 16 37 53 74 106 148 212 296 424 592 848 1,961 3,922 7,844 15,688 31,376

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

31,376 15,688 7,844 3,922 1,961 5,884 2,942 1,471 4,414 2,207 6,622 3,311 9,934 4,967 14,902 7,451 22,354 11,177 33,532 16,766 8,383 25,150 12,575 37,726 18,863 56,590 28,295 84,886 42,443 127,330 63,665 190,996 95,498 47,749 143,248 71,624 35,812 17,906 8,953 26,860 13,430 6,715 20,146 10,073 30,220 15,110 7,555 22,666 11,333 34,000 17,000 8,500 4,250 2,125 6,376 3,188 1,594 797 2,392 1,196

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