14770
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 30528
- Proper Divisor Sum (Aliquot Sum)
- 15758
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- yes
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5040
- Möbius Function
- 1
- Radical
- 14770
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 4
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
- 71
- 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
- Weird numbers: abundant (A005101) but not pseudoperfect (A005835).at n=20A006037
- Number of partitions of n with equal number of parts congruent to each of 0 and 2 (mod 3).at n=47A035535
- Numbers n such that n and n-1 are differences between 2 positive cubes in at least one way.at n=16A038595
- Numbers that are divisible by 10 and are differences between two cubes in at least one way.at n=20A038854
- Numbers whose base-11 representation has exactly 5 runs.at n=7A043648
- Numbers k such that 3*2^k + 7 is prime.at n=31A059746
- Unitary weird numbers: unitary abundant (A034683) but not unitary pseudoperfect (A293188).at n=17A064114
- a(n) = (p^2 - 1) / 12, where p is the n-th prime of the form 4*k+1.at n=39A109255
- Riordan array (f(x), x*g(x)) where f(x) is the g.f. of A157004 and g(x) is the g.f. of A157003.at n=46A213221
- Number of (w,x,y) with all terms in {0,...,n} and the numbers w,x,y,|w-x|,|x-y| not distinct.at n=39A213491
- Number of permutations of [n] having exactly 5 strong fixed blocks.at n=4A225966
- Numbers n such that there is a cube strictly between n^2 and n^2+n, and a square strictly between n^3 and n^3+n.at n=3A247628
- Column k=1 of A213221.at n=8A261058
- Bi-unitary weird numbers: bi-unitary abundant numbers (A292982) that are not bi-unitary pseudoperfect (A292985).at n=22A292986
- Numbers k such that 2*10^k - 51 is prime.at n=19A295323
- Infinitary weird numbers: infinitary abundant numbers (A129656) that are not infinitary pseudoperfect numbers (A306983).at n=22A306984
- Numbers that can be written in more than one way as p^2 + q^3 + r^4 with p, q and r primes.at n=20A318530
- Numbers that are the sum of five fourth powers in three or more ways.at n=11A344243
- Numbers that are the sum of five fourth powers in exactly three ways.at n=11A344244
- Nonexponential weird numbers: nonexponential abundant numbers (A348604) that are not equal to the sum of any subset of their nonexponential divisors.at n=15A348631