Properties of the Number 55778

Fifty-Five Thousand Seven Hundred Seventy-Eight

Basics

Value: 55777 → 55778 → 55779

Parity: even

Prime: No

Previous Prime: 55763

Next Prime: 55787

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 167 ²

Divisors: 1, 2, 167, 334, 27889, 55778

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101100111100010

Octal: 154742

Duodecimal: 28342

Hexadecimal: d9e2

Square: 3111185284

Square Root: 236.17366491630688

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) = 2·prime(n)². A79704

RATS: Reverse Add Then Sort the digits applied to previous term, starting with 1. A4000

2·p², for p an odd prime. A143928

a(n) = a(n-1) + rotate( a(n-1), 1 digit right), a(1) = 1. A51300

Number of multiset partitions of uniform integer partitions of n in which all parts have the same length. A320451

Numbers k such that φ(k) == 2 (mod 12), where φ is the Euler totient function (A000010). A332511

Numbers k such that σ(k)*φ(k) is squarefree. A65299

Numbers that are not squarefree and whose Euler totient function is squarefree. A49198

Numbers k such that k¹⁰ == 1 (mod 11⁴). A56094

Numbers such that the difference between the sum of the even divisors and the sum of the odd divisors is prime. A195382