2852
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 5376
- Proper Divisor Sum (Aliquot Sum)
- 2524
- 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
- 1320
- Möbius Function
- 0
- Radical
- 1426
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 27
- 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*(n+1)*(n+8)/6.at n=23A006503
- Coordination sequence occurring in Zeolite Codes AFG, CAN, LIO, LOS.at n=37A008013
- Coordination sequence T4 for Zeolite Code BOG.at n=38A008052
- Coordination sequence T2 for Zeolite Code HEU.at n=35A008117
- Coordination sequence T7 for Zeolite Code PAU.at n=39A008225
- Coordination sequence for quartz.at n=30A008261
- Aliquot sequence starting at 180.at n=31A008891
- If a, b in sequence, so is ab+4.at n=45A009303
- Coordination sequence for CaF2(1), Ca position.at n=18A009923
- Coordination sequence T1 for Zeolite Code OSI.at n=35A016430
- Expansion of 1/(1-x^10-x^11-x^12-x^13-x^14-x^15-x^16-x^17).at n=66A017893
- Squares on infinite chessboard at n moves from center using a {2,3} fairy knight.at n=43A018839
- Coordination sequence T4 for Zeolite Code CGF.at n=37A019454
- Number of partitions of n into parts of 23 kinds.at n=3A023021
- a(n) is least k such that k and 9k are anagrams in base n (written in base 10).at n=22A023101
- T(n,0) + T(n,1) + ... + T(n,n), T given by A026681.at n=10A026688
- a(n) = 2*n^2 + 3*n + 3.at n=37A033816
- Number of ways of placing 2n points on n X n grid so no 3 are in a line (solutions with 180 deg rotational symmetry).at n=23A037187
- Coordination sequence T1 for Zeolite Code AFN.at n=38A038403
- Denominators of continued fraction convergents to sqrt(274).at n=8A041515