2307
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3080
- Proper Divisor Sum (Aliquot Sum)
- 773
- 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
- 1536
- Möbius Function
- 1
- Radical
- 2307
- 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
- 151
- 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
- Sum of 12 nonzero 8th powers.at n=9A003390
- Coordination sequence T1 for Zeolite Code ERI and OFF.at n=35A008093
- Coordination sequence T1 for Zeolite Code MEI.at n=35A008146
- Coordination sequence T2 for Zeolite Code YUG.at n=31A008248
- Positive numbers k such that k and 3*k are anagrams in base 9 (written in base 9).at n=23A023080
- Numbers k such that Fibonacci(k) == 2 (mod k).at n=38A023174
- a(n) = integer nearest a(n-1)/(sqrt(7) - 2), where a(1) = 1.at n=17A024567
- Coordination sequence T3 for Zeolite Code ITE.at n=33A027371
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 32.at n=10A031530
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 32.at n=2A031710
- Number of partitions of n with equal nonzero number of parts congruent to each of 1, 3 and 4 (mod 5).at n=48A035590
- Coordination sequence T1 for Zeolite Code AFN.at n=34A038403
- Sums of 5 distinct powers of 3.at n=25A038467
- Numbers k such that k-th and (k+1)-st term of A038593 differ by 2.at n=41A038633
- Numbers n such that string 0,3 occurs in the base 8 representation of n but not of n-1.at n=39A044190
- Numbers k such that the string 4,3 occurs in the base 9 representation of k but not of k-1.at n=31A044290
- Numbers k such that the string 0,7 occurs in the base 10 representation of k but not of k-1.at n=24A044339
- Numbers n such that string 0,3 occurs in the base 8 representation of n but not of n+1.at n=39A044571
- Numbers n such that string 4,3 occurs in the base 9 representation of n but not of n+1.at n=31A044671
- Numbers n such that string 0,7 occurs in the base 10 representation of n but not of n+1.at n=24A044720