Properties of the Number -221137

Two Hundred Twenty-One Thousand One Hundred Thirty-Seven

Basics

Value: -221138 → -221137 → -221136

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 4513

Divisors: 1, 7, 49, 4513, 31591, 221137

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101111111010001

Octal: -657721

Duodecimal: -A7B81

Hexadecimal: -35fd1

Square: 48901572769

Square Root: 470.2520600699161

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) = n⁵ - (n-1)⁵ + (n-2)⁵ - ... +(-1)ⁿ*0⁵. A62393

Lucky numbers N (A000959) such that Fibonacci iterations starting with (1, N) lead to a "nine digits anagram". A34589

The number of tilings of a 5 X (4n) floor with 1 X 4 tetrominoes. A236579

a(n) = 3·n⁴ + 6·n³ - 3·n + 1. A181475