955
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1152
- Proper Divisor Sum (Aliquot Sum)
- 197
- 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
- 760
- Möbius Function
- 1
- Radical
- 955
- 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
- 28
- Smith 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
Names
- German
- neunhundertfünfundfünfzig· ordinal: neunhundertfünfundfünfzigste
- English
- nine hundred fifty-five· ordinal: nine hundred fifty-fifth
- Spanish
- novecientos cincuenta y cinco· ordinal: 955º
- French
- neuf cent cinquante-cinq· ordinal: neuf cent cinquante-cinqième
- Italian
- novecentocinquantacinque· ordinal: 955º
- Latin
- nongenti quinquaginta quinque· ordinal: 955.
- Portuguese
- novecentos e cinquenta e cinco· ordinal: 955º
Appears in sequences
- Number of partitions into non-integral powers.at n=16A000327
- Primes multiplied by 5.at n=42A001750
- Numbers that are the sum of 12 positive 5th powers.at n=43A003357
- Number of geometric n-dimensional crystal classes.at n=5A004028
- a(n) = ceiling(1000*log_10(n)).at n=8A004227
- Cellular automaton with Rule 230: 000, 001, 010, 011, ..., 111 -> 0,1,1,0,0,1,1,1.at n=9A006977
- Coordination sequence T4 for Zeolite Code FER.at n=19A008109
- Coordination sequence T1 for Zeolite Code WEI.at n=22A009917
- Coefficients in expansion of Euler's constant gamma as Sum_{n>=1} a(n)/(n*n!*(n+1)!), as found by greedy algorithm.at n=38A009929
- Discriminants of imaginary quadratic fields with class number 4 (negated).at n=43A013658
- Expansion of 1/((1-8x)(1-9x)(1-10x)(1-12x)).at n=2A016091
- Expansion of 1/(1 - x^12 - x^13 - ...).at n=61A017906
- Powers of fifth root of 14 rounded to nearest integer.at n=13A018154
- Powers of fifth root of 14 rounded up.at n=13A018155
- Numbers k such that the continued fraction for sqrt(k) has period 16.at n=40A020355
- Number of nonisomorphic cyclic subgroups of alternating group A_n (or number of distinct orders of even permutations of n objects); number of different LCM's of partitions of n which have even number of even parts.at n=50A020902
- a(n) = n*(19*n + 1)/2.at n=10A022277
- Conjectured number of irreducible multiple zeta values of depth 9 and weight 2n+25.at n=7A022497
- Place where n-th 1 occurs in A023133.at n=24A022795
- Numbers k such that Fibonacci(k) == 5 (mod k).at n=35A023176