Properties of the Number -642211

Six Hundred Forty-Two Thousand Two Hundred Eleven

Basics

Value: -642212 → -642211 → -642210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 642211

Divisors: 1, 642211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10011100110010100011

Octal: -2346243

Duodecimal: -26B797

Hexadecimal: -9cca3

Square: 412434968521

Square Root: 801.3806835705487

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

Primes whose product of digits equals the number of digits times the sum of digits. A64155

Self-conjugate digitized partition numbers. A68325