Properties of the Number -221197

Two Hundred Twenty-One Thousand One Hundred Ninety-Seven

Basics

Value: -221198 → -221197 → -221196

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 221197

Divisors: 1, 221197

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110110000000001101

Octal: -660015

Duodecimal: -A8011

Hexadecimal: -3600d

Square: 48928112809

Square Root: 470.3158513169634

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) = ∑_{k >= 0} floor(n^2·k / (2·k)!). A309105

Smallest prime p in a sexy prime triple such that (p-3)/2 is also the smallest prime in a sexy prime triple (A023241). A358572