Properties of the Number -1640000

Six Hundred Forty Thousand

Basics

Value: -1640001 → -1640000 → -1639999

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 5 ⁴ × 41

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110010000011001000000

Octal: -6203100

Duodecimal: -6710A8

Hexadecimal: -190640

Square: 2689600000000

Square Root: 1280.6248474865697

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 n such that the digits of n end in φ(n). A67206

Numbers n such that φ(n) is a proper substring of n. A66663

Composite numbers n such that n - φ(n) is a power of 10. A248857