Properties of the Number -141220

One Hundred Forty-One Thousand Two Hundred Twenty

Basics

Value: -141221 → -141220 → -141219

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 23 × 307

Divisors: 1, 2, 4, 5, 10, 20, 23, 46, 92, 115

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100010011110100100

Octal: -423644

Duodecimal: -69884

Hexadecimal: -227a4

Square: 19943088400

Square Root: 375.79249593359367

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 k such that prime(k) + 1, ..., prime(k + 5) + 1 have the same number of prime divisors (with multiplicity). A255193

a(n) = a(n-2) + 2·a(n-3), n > 3; with a(0)=0, a(1)=1, a(2)=2, a(3)=0. A134271