157721

Prime Factor Structure

Factorization String 157721

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 157,722

Proper Divisor Sum 1

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #157679 ← → #157733

1 157,721

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

157,721 473,164 236,582 118,291 354,874 177,437 532,312 266,156 133,078 66,539 199,618 99,809 299,428 149,714 74,857 224,572 112,286 56,143 168,430 84,215 252,646 126,323 378,970 189,485 568,456 284,228 142,114 71,057 213,172 106,586 53,293 159,880 79,940 39,970 19,985 59,956 29,978 14,989 44,968 22,484 11,242 5,621 16,864 8,432 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167

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