4102
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 7
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 7056
- Proper Divisor Sum (Aliquot Sum)
- 2954
- 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
- 1752
- Möbius Function
- -1
- Radical
- 4102
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 38
- 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 that are the sum of 7 positive 6th powers.at n=33A003363
- Numbers that are the sum of 10 positive 10th powers.at n=4A004810
- Numbers that are the sum of 8 positive 11th powers.at n=2A004819
- Numbers that are the sum of at most 10 nonzero 10th powers.at n=44A004905
- Numbers that are the sum of at most 8 positive 11th powers.at n=23A004914
- Numbers that are the sum of at most 9 positive 11th powers.at n=25A004915
- Numbers that are the sum of at most 10 positive 11th powers.at n=27A004916
- Numbers that are the sum of at most 11 positive 11th powers.at n=29A004917
- Numbers that are the sum of at most 12 positive 11th powers.at n=31A004918
- a(n) = n OR n^3 (applied to ternary expansions).at n=15A008469
- Coordination sequence T2 for Zeolite Code -PAR.at n=45A009856
- Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026714.at n=15A026724
- Engel expansion of the golden ratio, (1 + sqrt(5))/2 = 1.61803... .at n=15A028259
- Numbers whose base-4 representation has 4 more 0's than 3's.at n=25A031465
- Positive numbers having the same set of digits in base 5 and base 10.at n=28A037433
- a(n)=(s(n)+6)/10, where s(n)=n-th base 10 palindrome that starts with 4.at n=32A043083
- Numbers having three 0's in base 8.at n=12A043423
- Numbers having three 5's in base 9.at n=21A043475
- Numbers having, in base 16, (sum of even run lengths)=(sum of odd run lengths).at n=5A044887
- Numbers whose base-4 representation contains exactly four 0's and two 1's.at n=5A045035