14657
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14658
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14656
- Möbius Function
- -1
- Radical
- 14657
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- 133
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1717
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Quartan primes: primes of the form x^4 + y^4, x > 0, y > 0.at n=16A002645
- Sum of 4th powers of primes dividing n.at n=21A005065
- Sum of 4th powers of primes dividing n.at n=43A005065
- Sum of 4th powers of primes = 2 mod 3 dividing n.at n=21A005077
- Sum of 4th powers of primes = 2 mod 3 dividing n.at n=43A005077
- Sum of 4th powers of primes = 2 mod 3 dividing n.at n=65A005077
- Numbers k such that the continued fraction for sqrt(k) has period 51.at n=20A020390
- If d,e are consecutive digits of n in base 7, then |d-e|>=5.at n=39A032995
- Base-7 palindromes that start with 6.at n=21A043020
- Second term of weak prime quintets: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2).at n=34A054824
- Primes of the form p^4 + 16 where p is also a prime.at n=3A094479
- Number of partitions of n into parts congruent to {0, 1, 3, 5} mod 6.at n=53A096981
- The value of C in y = x^2+11x+C such that y is prime for all x = 0 to 6.at n=5A097458
- Primes of the form 128n+65.at n=30A105129
- Number of parts in all partitions of n in which every integer from the smallest part to the largest part occurs as a part.at n=36A117457
- Sums of two or more distinct 4th powers of primes.at n=11A130833
- Sums of two distinct prime 4th powers.at n=6A130873
- Prime numbers p such that p^3 - (p+1)^2 and p^3 + (p+1)^2 are both primes.at n=15A137476
- Primes congruent to 37 mod 43.at n=40A142286
- Primes congruent to 40 mod 47.at n=35A142391