Properties of the Number 86955

Eighty-Six Thousand Nine Hundred Fifty-Five

Basics

Value: 86954 → 86955 → 86956

Parity: odd

Prime: No

Previous Prime: 86951

Next Prime: 86959

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 11 × 17 × 31

Divisors: 1, 3, 5, 11, 15, 17, 31, 33, 51, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001110101011

Octal: 251653

Duodecimal: 423A3

Hexadecimal: 153ab

Square: 7561172025

Square Root: 294.88133206427295

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = 4*(n-1)*a(n-1) - (1/3)*∏_k=0..n-1 (2·k-3), with a(0) = 0. A302117

Sum of the smallest parts of the partitions of 4n into 4 parts. A238702

Piptorial numbers = product of first n pips or prime-indexed primes. A80696

Squarefree MM-numbers of strict uniform regular multiset systems spanning an initial interval of positive integers. A322703

Numbers n such that the middle coefficient of the cyclotomic polynomial Phi_n(x) has a value not obtained for any smaller n. A95877

a(n) = (∏_i=0..4(i·n+2) - ∏_i=0..4(-i·n-1))/(4·n+3). A274119

Products of 5 distinct primes a,b,c,d,e, such that a+b+c+d+e are prime numbers. A178782

T(n,m) is the number of m-dimensional isotropic subspaces of a 2n-dimensional symplectic space over Z/2, n >= 0 and 0 <= m <= n. A368493

a(n) = n² + 2·n + 2 - (-1)ⁿ. A86955

a(n) = (9·n + 2)⁴. A17188