10958
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16440
- Proper Divisor Sum (Aliquot Sum)
- 5482
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5478
- Möbius Function
- 1
- Radical
- 10958
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 192
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- a(n) = floor(n*phi^14), where phi is the golden ratio, A001622.at n=13A004929
- Number of days in n years (n=2 is the first leap year).at n=29A033173
- Number of days in n years (n=1 is the first leap year).at n=29A033174
- Denominators of continued fraction convergents to sqrt(343).at n=8A041649
- Number of permutations with certain forbidden subsequences.at n=10A054391
- Number of partitions of n in which each part occurs an odd number (or zero) times.at n=43A055922
- Numbers k such that k^6 == 1 (mod 7^4).at n=28A056092
- Matrix square of triangle A113340.at n=21A113345
- Column 0 of triangle A113345, also equals column 0 of A113350.at n=6A113346
- Triangle Q, read by rows, such that Q^2 transforms column k of Q^2 into column k+1 of Q^2, so that column k of Q^2 equals column 0 of Q^(2*k+2), where Q^2 denotes the matrix square of Q.at n=21A113350
- Triangle, read by rows, given by the product Q^-1*P^2, where the triangular matrices involved are P = A113340 and Q = A113350.at n=29A113368
- Triangle, read by rows, where row n equals the inverse binomial transform of column n in the rectangular table A124460.at n=46A124469
- Number of non-intersecting unit cubes regularly packed into the tetrahedron of edge length n.at n=46A219965
- G.f. A(x) satisfies: A( A(x)^3 ) = C(x) * A(x)^2, where C(x) = x + C(x)^2, with A(0)=0, A'(0)=1.at n=10A272484
- Duplicate of A054391.at n=10A326254
- Number of compositions (ordered partitions) of n into at most 6 prime parts.at n=49A347743
- The number of days elapsed since the Gregorian (proleptic) date Sunday, December 31, 1 BC on 1/1/n, where 1/1/n is the Gregorian date in the format month/day/year, the New Year's Day of the year n.at n=30A350471
- Semiprimes that are the sum of two successive terms of A092192.at n=48A366167
- Numbers k such that A380459(k) has no divisors of the form p^p, while A003415(k) has such a divisor or is 0.at n=40A380474
- Antidiagonal sums of A382310.at n=32A382311