Properties of the Number 55290

Fifty-Five Thousand Two Hundred Ninety

Basics

Value: 55289 → 55290 → 55291

Parity: even

Prime: No

Previous Prime: 55259

Next Prime: 55291

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 19 × 97

Divisors: 1, 2, 3, 5, 6, 10, 15, 19, 30, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011111111010

Octal: 153772

Duodecimal: 27BB6

Hexadecimal: d7fa

Square: 3056984100

Square Root: 235.13825720201297

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

"BFK" (reversible, size, unlabeled) transform of 2,2,2,2... A32043

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,11. A64242

Squarefree nonprimes n with a divisor d such that φ(n) divides n+d. A217741

Least k starting a chain or (2n+1)-tuple of consecutive integers {h(k+i)}, i=0,1,...,2n (excluding the trivial chain when h(k) = h(k+1) = ... = h(k+2n)) with symmetrical gaps about the center, where h(k) is the length of the finite set {k, f(k), f(f(k)),...,1} in the Collatz (or 3x + 1) problem. A268468

Triangle of trees with n nodes and k leaves, 2 <= k <= n. A55290