3883
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 4248
- Proper Divisor Sum (Aliquot Sum)
- 365
- 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
- 3520
- Möbius Function
- 1
- Radical
- 3883
- 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
- 51
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers k such that k^4 can be written as a sum of four positive 4th powers.at n=19A003294
- Number of partitions of n into partition numbers.at n=46A007279
- n is equal to the number of 2's in all numbers <= n written in base 6.at n=5A014891
- a(n) = [ a(n-1)/a(1) + a(n-3)/a(3) + a(n-5)/a(5) + ... ], for n >= 3.at n=33A022871
- Number of partitions of n into parts not of the form 23k, 23k+11 or 23k-11. Also number of partitions with at most 10 parts of size 1 and differences between parts at distance 10 are greater than 1.at n=29A035999
- Product of prime p with sum of next p consecutive primes.at n=4A036660
- Denominators of continued fraction convergents to sqrt(477).at n=8A041911
- Base-10 palindromes that starts with 3.at n=20A043038
- Numbers k that divide 6^k + 5^k.at n=6A045595
- Palindromes with exactly 2 prime factors (counted with multiplicity).at n=43A046328
- Palindromic composite numbers with only palindromic prime factors.at n=46A046351
- Palindromes with exactly 2 palindromic prime factors (counted with multiplicity), and no other prime factors.at n=21A046376
- Palindromes with exactly 2 distinct prime factors.at n=40A046392
- Palindromes with exactly 2 distinct palindromic prime factors.at n=18A046408
- Starting positions of strings of 2 2's in the decimal expansion of Pi.at n=36A050215
- Palindromes containing at least one pair of consecutive equal digits.at n=46A050785
- Number of connected unlabeled symmetric relations (graphs with loops) having n nodes.at n=6A054921
- Palindromes with even number of digits.at n=37A056524
- Number of self-converse quasigroups of order n.at n=6A057993
- Number of orbits of the group of units of Z/(n) acting naturally on the 4-subsets of Z/(n).at n=43A063381