Properties of the Number 55165

Fifty-Five Thousand One Hundred Sixty-Five

Basics

Value: 55164 → 55165 → 55166

Parity: odd

Prime: No

Previous Prime: 55163

Next Prime: 55171

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 × 17 × 59

Divisors: 1, 5, 11, 17, 55, 59, 85, 187, 295, 649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011101111101

Octal: 153575

Duodecimal: 27B11

Hexadecimal: d77d

Square: 3043177225

Square Root: 234.8723057322851

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) = p(7n+5)/7 where p(k) denotes the k-th partition number. A71746

Numbers n such that 7n is a partition number. A222175

Number of partitions of n with rank a multiple of 7. A363239

Take pairs (a, b), sorted on a, such that T(a)+T(b)=concatenation of a and b, where T(k) is the k-th triangular number A000217(k). Sequence gives values of a. A96031

Numbers k such that 4·10^k + 87 is prime. A273097

Number of invertible n X n matrices with entries equal to 0 or 1. A55165

Semiprime numbers that are sandwiched between products of exactly 4 distinct primes (or tetraprimes). A375964