Properties of the Number 9159

Nine Thousand One Hundred Fifty-Nine

Basics

Value: 9158 → 9159 → 9160

Parity: odd

Prime: No

Previous Prime: 9157

Next Prime: 9161

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 43 × 71

Divisors: 1, 3, 43, 71, 129, 213, 3053, 9159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111000111

Octal: 21707

Duodecimal: 5373

Hexadecimal: 23c7

Square: 83887281

Square Root: 95.7026645397086

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) = (5·n-7)*(n-1). A147874

T(n,k)=Number of 0..k arrays of length n with each element unequal to at least one neighbor, with new values introduced in 0..k order. A221459

a(n) = (9 + 14·n + 12·n² + 4·n³)/3. A166911

The sum of the numbers on straight lines of incrementing length n when drawn over numbers of the square spiral, where each line contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one line. If two or more lines exist with the same sum the one containing the smallest number is chosen. A340974

Integers k such that there exists an integer 0<m<k such that σ(m)² + σ(k)² = (m+k)². A383484

Coefficients of x/(1+3·x+3·x²-x³). A108369

Numbers which need eight 'Reverse and Add' steps to reach a palindrome. A65213

First number in the n-th row of A172002. A168388

a(n) = number of 9-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..80]. A178884

Least integer k such that k/2ⁿ > sqrt(5). A293332