12899
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 29
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 12900
- 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
- 12898
- Möbius Function
- -1
- Radical
- 12899
- 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
- 63
- 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
- yes
- Safe Prime
- yes
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1535
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Primes that remain prime through 3 iterations of function f(x) = 10x + 3.at n=35A023300
- Palindromic primes in base 4.at n=29A029972
- Number of 5-ary rooted trees with n nodes and height at most 5.at n=15A036616
- Safe primes which are also Sophie Germain primes.at n=34A059455
- Numbers n such that n, 2n+1, 3n+2, 4n+3 are primes.at n=7A067257
- Numbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4 are primes.at n=2A067258
- Safe primes (A005385) (p and (p-1)/2 are primes) such that 12*p+1 is also prime.at n=34A075707
- Diagonal of triangle in A082737.at n=28A082738
- Numbers m such that for increasing b the numbers of zeros in base b representation of m are monotonically decreasing, 1<b<m.at n=44A089969
- Primes of the form 100n - 1.at n=36A095995
- Primes of the form 4*k-1 such that 8*k-1 and 16*k-1 are also primes.at n=24A101791
- Primes with digit sum = 29.at n=30A106766
- Primes such that the sum of the predecessor and successor primes is divisible by 43.at n=36A113158
- Beginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=23A113584
- Prime quartet leaders: largest number of a prime quartet.at n=30A119892
- Associate each least prime signature value with the corresponding prime number.at n=45A133928
- Numbers k such that 2*k+1, 3*k+2, 4*k+3 and 5*k+4 are primes.at n=16A138700
- Primes of the form 2*3*5*7*k+89, k >= 0.at n=29A141866
- Primes congruent to 23 mod 37.at n=41A142132
- Primes congruent to 25 mod 41.at n=37A142222