Properties of the Number -180221

One Hundred Eighty Thousand Two Hundred Twenty-One

Basics

Value: -180222 → -180221 → -180220

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 180221

Divisors: 1, 180221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011111111111101

Octal: -537775

Duodecimal: -88365

Hexadecimal: -2bffd

Square: 32479608841

Square Root: 424.5244398147179

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

Numbers that are the sum of 8 positive 10th powers. A4808

Primes in the chain of repeated application of x->2·x+3, starting at x=19. A225583

a(n) = 2·a(n-1)+3 with n>1, a(1)=8. A156198

a(n) = T(4,n), array T given by A047858. A47861

Least prime p such that q = (3+p)/2ⁿ is prime. A248526