Properties of the Number 9557

Nine Thousand Five Hundred Fifty-Seven

Basics

Value: 9556 → 9557 → 9558

Parity: odd

Prime: No

Previous Prime: 9551

Next Prime: 9587

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 19 × 503

Divisors: 1, 19, 503, 9557

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010101010101

Octal: 22525

Duodecimal: 5645

Hexadecimal: 2555

Square: 91336249

Square Root: 97.75990998359194

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

Dispersion of A016813 (4k+1, k>1), by antidiagonals. A191667

An array A of the positive odd numbers, read by antidiagonals upwards, giving the present triangle T. A347834

Array T(n,k) of odd Collatz preimages read by antidiagonals. A178415

a(n) = 2·a(n-1) - (-1)ⁿ for n > 0, a(0)=2. A62092

Array A read by upward antidiagonals in which the entry A(n,k) in row n and column k is defined by A(n, k) = 4ⁿ*(6·k - 3 - 2*(-1)ⁿ) + (4ⁿ - 1)/3, n,k >= 1. A371100

Numbers k such that A081252(m)/m² has a local minimum for m = k. A81253

Sum of the fourth largest parts of the partitions of n into 10 squarefree parts. A326634

Indices of records in A175046. A319423

Number of sequences of integer partitions with total sum n that are rectangular, meaning all lengths are equal. A358905

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others. A183854