10603
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 11088
- Proper Divisor Sum (Aliquot Sum)
- 485
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 10120
- Möbius Function
- 1
- Radical
- 10603
- 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
- 104
- 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
- no
- Odd
- yes
Appears in sequences
- Occurrences of principal character.at n=11A005368
- Numbers k that divide s(k), where s(1)=1, s(j)=23*s(j-1)+j.at n=7A014874
- Number of 2's in n-th term of A022470.at n=36A022473
- Number of partitions satisfying cn(0,5) + cn(2,5) + cn(3,5) <= cn(1,5) + cn(4,5).at n=35A039879
- Numbers n such that 93*2^n-1 is prime.at n=26A050572
- Row sums of triangle A054448 (second member of partial row sums triangle family of Fibonacci convolution triangle).at n=8A054449
- Sum_{k<=n} (sigma(k)^2), where sigma(k) denotes the sum of the divisors of k A000203.at n=21A072379
- Interpolate 0's between each pair of digits of n-th prime.at n=37A092909
- a(n) = A192525(n)/2.at n=18A192526
- Triangle of coefficients of polynomials u(n,x) jointly generated with A210738; see the Formula section.at n=48A210603
- Number of 2 X 2 matrices having all terms in {1,...,n} and determinant in [-n,n].at n=14A211069
- Composition of the inverse binomial transform of Fibonacci numbers and the Catalan transform of Fibonacci numbers.at n=12A219314
- Number of blocks in a Steiner system S(2, 5, A228141(n+1)).at n=45A228142
- a(n) = ceiling(Pi*n^3).at n=15A247194
- Zero together with the partial sums of A064412.at n=17A275112
- Number of unlabeled semiorders on n points and having dimension 3.at n=4A293501
- Number of odd parts in the partitions of n into 6 parts.at n=45A309549
- a(n) = (n + 2)*(n^2 + n - 1).at n=21A318765
- Number of partitions of n with odd minimal part and even maximal part.at n=48A325345
- Numbers k such that the sums (with multiplicity) of prime factors of k and k+1 are both squares.at n=17A359445