Properties of the Number -111657

One Hundred Eleven Thousand Six Hundred Fifty-Seven

Basics

Value: -111658 → -111657 → -111656

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 13 × 409

Divisors: 1, 3, 7, 13, 21, 39, 91, 273, 409, 1227

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11011010000101001

Octal: -332051

Duodecimal: -54749

Hexadecimal: -1b429

Square: 12467285649

Square Root: 334.1511633976455

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

Pentagonal numbers (A000326) that are the product of 2 palindromes greater than 1. A115745

Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=5, k=-1 and l=1. A176967