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practical number · Vinony

EntityQ577211· pop 17· linked from 248 articles

practical number

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a number such that it and all smaller numbers may be represented as sums of its divisors

Connections

Fibonacci sequence

integer factorization

square-free integer

figurate number

sociable number

automorphic number

International Standard Book Number

rational number

Wayback Machine

Srinivasa Ramanujan

digital object identifier

binary numeral system

Categories

Egyptian fractions Integer sequences

Sources

wikipedia.externallinksexternallink

What links here248 pages

centered dodecahedral number

Dedekind number

centered polygonal number

sociable number

almost perfect number

Padovan sequence

untouchable number

octahedral number

parasitic number

centered nonagonal number

Erdős–Woods number

hexagonal number

quasiperfect number

Erdős–Nicolas number

perfect totient number

triangular number

Similar entities

Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).

deficient number

Entitydist 0.34

refactorable number

Entitydist 0.39

pseudoperfect number

Entitydist 0.40

Erdős–Nicolas number

Entitydist 0.44

Entitydist 0.44

quasiperfect number

Entitydist 0.45

betrothed numbers

Entitydist 0.46

multiply perfect number

Entitydist 0.46

highly composite number

Entitydist 0.46

table of divisors

Entitydist 0.46

Entitydist 0.47

narcissistic number

Entitydist 0.47