Properties of the Number 54285

Fifty-Four Thousand Two Hundred Eighty-Five

Basics

Value: 54284 → 54285 → 54286

Parity: odd

Prime: No

Previous Prime: 54277

Next Prime: 54287

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 11 × 47

Divisors: 1, 3, 5, 7, 11, 15, 21, 33, 35, 47

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1101010000001101

Octal: 152015

Duodecimal: 274B9

Hexadecimal: d40d

Square: 2946861225

Square Root: 232.991416150896

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

Smallest j with n nodes in its riff (rooted index-functional forest). A62860

Odd unitary abundant numbers. A129485

Odd squarefree abundant numbers. A112643

Primitive, odd, squarefree abundant numbers. A249263

a(n) = F(4)*F(n)*F(n+1) + F(5)*F(n+1)² if n odd, a(n) = F(4)*F(n)*F(n+1) + F(5)*F(n+1)² - F(5) if n even, where F(n) is the n-th Fibonacci number (A000045). A80144

Odd numbers with exactly 5 distinct prime factors. A46391

2nd elementary symmetric function of the first n+1 positive integers congruent to 2 mod 3. A24391

Triangle read by rows. T(n,k) = binomial(n,k)*(binomial(n,k)-1)/2. A143418

a(n) = A061037(7·n+2). A165943

a(n) = Fibonacci(n)*A109064(n) for n>=1 with a(0)=1. A205882