Properties of the Number 55155

Fifty-Five Thousand One Hundred Fifty-Five

Basics

Value: 55154 → 55155 → 55156

Parity: odd

Prime: No

Previous Prime: 55147

Next Prime: 55163

Digit Sum: 21

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 5 × 3677

Divisors: 1, 3, 5, 15, 3677, 11031, 18385, 55155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011101110011

Octal: 153563

Duodecimal: 27B03

Hexadecimal: d773

Square: 3042074025

Square Root: 234.85101660414418

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

Palindromes in base 10 that are also palindromes in base 60. A262069

Numbers having four 5's in base 10. A43512

Numbers n which in decimal have the form imj, where m is the middle digit, with property that j is the reversal of i, and i = m·j. A82945

Number of symmetrical fountains of n coins. A288005

a(n) = 5*(10^2·n+1 - 1)/9 - 4·10ⁿ. A332151

Smallest palindromic multiple of n in which the digit string of n appears as sandwiched between at least a pair of digits, or 0 if n = 10k or no such number exists. A84043

a(n) = ∑_d∣n gcd(d, n/d). A55155

In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists). A202174