2350
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 4464
- Proper Divisor Sum (Aliquot Sum)
- 2114
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 920
- Möbius Function
- 0
- Radical
- 470
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 120
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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) = n^2*(5*n-3)/2.at n=10A006597
- Coordination sequence T1 for Zeolite Code AFY.at n=40A008029
- Coordination sequence T1 for Zeolite Code ATS.at n=35A008038
- Coordination sequence T1 for Zeolite Code TON.at n=30A008241
- Numbers whose base-7 representation is the juxtaposition of two identical strings.at n=46A020335
- Numbers k such that the continued fraction for sqrt(k) has period 28.at n=42A020367
- a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 4.at n=14A022318
- Convolution of Fibonacci numbers and A001950.at n=11A023612
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = A014306.at n=31A024467
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A014306.at n=30A025087
- a(n) = d(n)/2, where d = A026040.at n=21A026041
- a(n) = n*(n+3).at n=47A028552
- Numbers k in which the digits of k^2 appear.at n=8A029774
- Number of dyslexic planted planar trees with n+1 nodes where any 2 subtrees extending from the same node are different sizes.at n=12A032047
- Coordination sequence T1 for Zeolite Code SBE.at n=39A033604
- Coordination sequence T4 for Zeolite Code SBS.at n=38A033611
- Multiplicity of highest weight (or singular) vectors associated with character chi_18 of Monster module.at n=33A034406
- Number of partitions of n into parts 5k+1 and 5k+4 with at least one part of each type.at n=58A035633
- Schoenheim bound L_1(n,4,3).at n=35A036831
- Positive numbers having the same set of digits in base 4 and base 9.at n=25A037427