λ
Sigma Notebook

219,823

219823
Deficient Odd Prime

219,823 is odd and not a perfect square. Its factorization is 219823 and its 2 divisors sum to 219,824.

Prime Factor Structure

Factorization String 219823
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 219,824
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #219809 ← → #219829

Radix Representation

Decimal 219823
Binary 110101101010101111 (18 bits)
Octal 0o655257
Hexadecimal 0x35AAF

Divisor Catalog (2)

Collatz Trajectory (62 steps to reach 1)

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

219,823 659,470 329,735 989,206 494,603 1,483,810 741,905 2,225,716 1,112,858 556,429 1,669,288 834,644 417,322 208,661 625,984 312,992 156,496 78,248 39,124 19,562 9,781 29,344 14,672 7,336 3,668 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

More profiles

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