Properties of the Number 89147

Eighty-Nine Thousand One Hundred Forty-Seven

Basics

Value: 89146 → 89147 → 89148

Parity: odd

Prime: No

Previous Prime: 89137

Next Prime: 89153

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 239 × 373

Divisors: 1, 239, 373, 89147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110000111011

Octal: 256073

Duodecimal: 4370B

Hexadecimal: 15c3b

Square: 7947187609

Square Root: 298.5749487147239

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

Number of nX5 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281077

Number of nX7 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281079

T(n,k) = Number of n X k 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281080

Numbers k such that 10^k + 7·R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A89147