Properties of the Number 55122

Fifty-Five Thousand One Hundred Twenty-Two

Basics

Value: 55121 → 55122 → 55123

Parity: even

Prime: No

Previous Prime: 55117

Next Prime: 55127

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 9187

Divisors: 1, 2, 3, 6, 9187, 18374, 27561, 55122

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011101010010

Octal: 153522

Duodecimal: 27A96

Hexadecimal: d752

Square: 3038434884

Square Root: 234.78074878490358

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) = ∑_k=1..n 2^nonprime(k). A176496

Base-12 complement of n (write n in base 12, then replace each digit with its base-12 negative). A55122

Number of (n+1)X2 0..3 matrices with each 2X2 permanent equal. A224968

Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum equal to 0 3 5 6 or 8. A252346