Properties of the Number 54825

Fifty-Four Thousand Eight Hundred Twenty-Five

Basics

Value: 54824 → 54825 → 54826

Parity: odd

Prime: No

Previous Prime: 54799

Next Prime: 54829

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ² × 17 × 43

Divisors: 1, 3, 5, 15, 17, 25, 43, 51, 75, 85

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011000101001

Octal: 153051

Duodecimal: 27889

Hexadecimal: d629

Square: 3005780625

Square Root: 234.14738947936192

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

Structured heptagonal anti-diamond numbers (vertex structure 7). A100186

Numbers n such that σ(2*φ(n)) = 2*σ(n). A137733

Number of (n+2) X (2+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 or 00000001. A259636

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 or 00000001. A259642

Call n/m a superdivisor of n if n/m + n divides (n/m)^n/m + n, (n/m)ⁿ + n/m and n^n/m + n/m. This sequence gives the smallest number with n superdivisors. A272538

Third term of weak prime quintets: p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1). A54825