2950
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 5580
- Proper Divisor Sum (Aliquot Sum)
- 2630
- 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
- 1160
- Möbius Function
- 0
- Radical
- 590
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 141
- 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
- Maximal number of pieces obtained by slicing a torus (or a bagel) with n cuts: (n^3 + 3*n^2 + 8*n)/6 (n > 0).at n=25A003600
- Number of n X 3 binary matrices under row and column permutations and column complementations.at n=14A006381
- Binomial transform of Catalan numbers.at n=7A007317
- Coordination sequence T4 for Zeolite Code GOO.at n=37A008114
- Coordination sequence T6 for Zeolite Code MTT.at n=33A008194
- Coordination sequence T2 for Zeolite Code -CHI.at n=34A009847
- Numbers k such that the continued fraction for sqrt(k) has period 38.at n=27A020377
- Expansion of Product_{m>=1} (1 + q^m)^25.at n=3A022589
- Place where n-th 1 occurs in A023131.at n=45A022793
- Base 6 expansion uses each positive digit just once.at n=25A023744
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(2*n-7)*(2*n^2-11*n+18).at n=16A030434
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(2*n - 3)*(2*n^2 - 3*n + 4).at n=14A030441
- Numbers k whose decimal representation, read as a base-15 value and divided by k, yields an integer.at n=14A032561
- Number of partitions of n such that cn(1,5) <= cn(0,5) = cn(2,5) < cn(3,5) = cn(4,5).at n=72A036852
- Expansion of (3+2*x^2)/(1-x)^4.at n=14A037236
- Shifts left under Weigh transform.at n=34A038073
- Coordination sequence T5 for Zeolite Code STF.at n=36A038440
- Numbers n such that string 5,0 occurs in the base 10 representation of n but not of n-1.at n=32A044382
- Numbers n such that string 9,5 occurs in the base 10 representation of n but not of n-1.at n=31A044427
- Numbers n such that string 5,0 occurs in the base 10 representation of n but not of n+1.at n=32A044763