Properties of the Number 55278

Fifty-Five Thousand Two Hundred Seventy-Eight

Basics

Value: 55277 → 55278 → 55279

Parity: even

Prime: No

Previous Prime: 55259

Next Prime: 55291

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 37 × 83

Divisors: 1, 2, 3, 6, 9, 18, 37, 74, 83, 111

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011111101110

Octal: 153756

Duodecimal: 27BA6

Hexadecimal: d7ee

Square: 3055657284

Square Root: 235.11273891475977

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

Triangular numbers that are sums of two consecutive primes. A111163

a(n) = 3·a(n-1) - 2·a(n-2) with a(0)=36 and a(1)=90. A182467

Least triangular number t such that t = prime(n)*triangular(m) for some m>0, or 0 if no such t exists. A225503

Number of integer partitions of n with fewer distinct parts than distinct divisors of parts. A371132

Triangular numbers m such that A040115(m) is also triangular. A87597

a(n) = A273059(4n+1). A275917

Triangular numbers which are an average of four consecutive primes. A226196

Triangular numbers for which the sum of the digits is a cube. A117803

a(n) = m*(m+1)/2, where m = floor(n^3/2). A185541

Triangular numbers which are leg of a Pythagorean triple with hypotenuse in A213188. A213189