Properties of the Number -111628

One Hundred Eleven Thousand Six Hundred Twenty-Eight

Basics

Value: -111629 → -111628 → -111627

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 11 × 43 × 59

Divisors: 1, 2, 4, 11, 22, 43, 44, 59, 86, 118

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11011010000001100

Octal: -332014

Duodecimal: -54724

Hexadecimal: -1b40c

Square: 12460810384

Square Root: 334.1077670453053

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 such that moving the first digit to the end produces a square number. A133197

Triangular numbers whose sum of triangular divisors is also triangular and greater than 1. A209310

a(n) = (A001147(n+1)²-1)/8, where A001147(n+1) = 3·5*...*(2n+1). A249348

Triangular numbers in which the k-th significant digit either divides k or is a multiple of k. A69559

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

Number of Dyck paths of semilength n such that the minimal number of peaks over all positive levels equals ten. A288549

Numbers of the form prime(n) + prime(n+1) - 2 that are also triangular numbers, T(k) = k(k+1)/2. A110891

Triangular numbers equal to the sum of a prime number with its index. A115886

Triangular numbers such that the sum of cubes of their digits is prime. A345351