Properties of the Number 9558

Nine Thousand Five Hundred Fifty-Eight

Basics

Value: 9557 → 9558 → 9559

Parity: even

Prime: No

Previous Prime: 9551

Next Prime: 9587

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 59

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 59, 81

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010101010110

Octal: 22526

Duodecimal: 5646

Hexadecimal: 2556

Square: 91355364

Square Root: 97.76502442080194

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

Numbers k such that A102489(k) is divisible by k. A32563

3 times heptagonal numbers: a(n) = 3·n*(5·n-3)/2. A152773

Nonprimes in the triangle A141020. A141031

3 times 11-gonal (or hendecagonal) numbers: a(n) = 3·n*(9·n-7)/2. A153783

Dispersion of A016825 (4k+2, k>0), by antidiagonals. A191668

a(n) is defined by the condition that the decimal expansion of the ∑_n>=1 1/(∑_k=1..n a(k)) = 1/a(1) + 1/(a(1)+a(2)) + 1/(a(1)+a(2)+a(3)) + ... begins with the concatenation of these numbers; also a(1) = 3 and a(n) > a(n-1). A307022

Number of integer partitions of n whose product is a proper multiple of n. A380219

Numbers k such that gcd(k, reverse(k)) = 27 = 3³, where reverse(x) = A004086(x). A72016

Number of numbers k in interval [(p_n)²+1, (p_n)⁴] for which lpf(k-3)>lpf(k-1)>=p_n, where p_n=prime(n) and lpf = A020639. A243803

Numbers k with the property that p = k² - 13 and q = k² + 13 are consecutive primes. A248785