Properties of the Number 89148

Eighty-Nine Thousand One Hundred Forty-Eight

Basics

Value: 89147 → 89148 → 89149

Parity: even

Prime: No

Previous Prime: 89137

Next Prime: 89153

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 17 × 19 × 23

Divisors: 1, 2, 3, 4, 6, 12, 17, 19, 23, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110000111100

Octal: 256074

Duodecimal: 43710

Hexadecimal: 15c3c

Square: 7947365904

Square Root: 298.5766233314323

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

Super ballot numbers: 6(2n)!/(n!(n+2)!). A7054

Denominator of canonical iterated stribolic area Integral_t=0..1 h_n(t) dt (of order 1). A369991

a(n) = A184879(2·n, n) - A184879(2·n, n+1) where A184879(n, k) = Hypergeometric2F1(-2·k, 2·k-2·n, 1, -1) if 0<=k<=n. A184881

a(n) = 3/(n + 1) * Catalan(2·n). A387248

a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)*(n²+4·n+37)/5040. A257201

a(n) = 6*(2n-4)!/((n-2)!n!), if n>2. a(0) = 1, a(1) = a(2) = 2. A91712

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k LD's (n>=0; 0<=k<=floor((n-1)/2)). A128733

a(n) = 2·a(n-1) + 2·a(n-3) + a(n-4) - 1, with a(0) = 0 = a(1), a(2) = 2, and a(3) = 3. A353582

Numbers k such that 4^k - 3^k + 2^k is prime. A317887

Expansion of e.g.f.: 1/(exp(x) - x). A89148