14114
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 21174
- Proper Divisor Sum (Aliquot Sum)
- 7060
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7056
- Möbius Function
- 1
- Radical
- 14114
- 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
- 58
- 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) is the number of partitions of 4n that can be obtained by adding together four (not necessarily distinct) partitions of n.at n=9A002221
- Coordination sequence for body-centered tetragonal lattice.at n=42A008527
- a(0) = 1, a(n) = 18*n^2 + 2 for n>0.at n=28A010008
- a(0) = 1, a(n) = 32*n^2 + 2 for n > 0.at n=21A010021
- Numbers whose set of base-10 digits is {1,4}.at n=39A032822
- Numbers whose base-5 representation contains exactly three 2's and three 4's.at n=11A045292
- a(n) = Sum_{i=0..n} T(i,n-i), array T as in A049723.at n=23A049724
- Numbers k such that 2^k - 3 is prime.at n=35A050414
- Numbers k such that k^256 + 1 is prime.at n=38A056995
- Least integers that satisfy Sum_{n>=1} 1/a(n)^z = 0, where a(1)=1, a(n+1) > a(n) and z = i*Pi/4.at n=6A084815
- Smallest nonnegative integer whose standard American English name has n vowels.at n=14A102869
- a(n) = (2*n-1)^2 + (2*n+1)^2.at n=42A108100
- a(n) = Sum_{k=0..n} C(n,3k)^2.at n=9A119363
- Number of (n+1) X 3 binary arrays with rows and columns in nondecreasing order and with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=22A184064
- The sum of denominators of unreduced mediants in Farey sequences of orders 1,2,..,n.at n=21A248832
- Magic sums of 3 X 3 semimagic squares composed of squares.at n=27A265198
- Magic sums of 3 X 3 semimagic squares composed of positive squares.at n=25A269061
- Numbers k such that k*floor(2^k/k) + 1 is prime.at n=52A270427
- Semiprime numbers whose digit string can be partitioned into three parts such that the product of the first two parts equals the third part.at n=28A280636
- a(n) = a(n-1) + sum of base-1000 digits of a(n-1), a(0)=1.at n=43A292568