14290
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 25740
- Proper Divisor Sum (Aliquot Sum)
- 11450
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5712
- Möbius Function
- -1
- Radical
- 14290
- Omega Function (Ω)
- 3
- 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
- 195
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- Numbers k such that the continued fraction for sqrt(k) has period 39.at n=30A020378
- Numbers k in which the digits of k^2 appear.at n=24A029774
- Numbers k such that 2*3^k - 7 is prime.at n=27A059454
- Consider the sequence b(k) such that b(k) and sigma(b(k)) end with the same digit in base 10. Sequence gives values of b(k) such that b(k)/k = 10.at n=33A065255
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 1, 1), (1, -1, 1), (1, 1, -1)}.at n=8A149059
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 0), (1, -1, 0), (1, 1, -1), (1, 1, 0)}.at n=8A149391
- n^2 + {1,3,7} are primes.at n=38A182238
- Total number of smallest parts that are also emergent parts in all partitions of n.at n=40A220479
- Total number of smallest parts that are also emergent parts in all partitions of n with at least one distinct part: a(n) = n + d(n) + p(n-1) + spt(n) - A000070(n) - sigma(n) - 1.at n=40A220483
- Numbers n such that n, p=prime(n) and q=prime(p) have the same sum of digits.at n=23A261142
- Coordination sequence for (2,3,7) tiling of hyperbolic plane.at n=47A265057
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 206", based on the 5-celled von Neumann neighborhood.at n=35A270735
- Number of noncrossing partitions up to rotation of an n-set without singleton blocks.at n=16A295198
- Numbers m such that m^2+1 is prime with (m-1)^2+1 and (m+1)^2+1 semiprimes.at n=27A321795
- Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 2413. 0 <= k <= A342854(n).at n=52A342860
- Numbers k such that the decimal expansion of k and 14^k both begin with 14.at n=12A352239
- Numbers whose squares have the first three digits the same as the next three digits.at n=36A353080
- Numbers k such that k^2 + {1,3,7,13} are prime.at n=6A356109
- Numbers k such that k^2 + {1,3,7,13,31} are prime.at n=2A356110
- Numbers k such that k^2 + {1,3,7,13,163} are prime.at n=3A356175