Properties of the Number -140209

One Hundred Forty Thousand Two Hundred Nine

Basics

Value: -140210 → -140209 → -140208

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 149 × 941

Divisors: 1, 149, 941, 140209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010001110110001

Octal: -421661

Duodecimal: -69181

Hexadecimal: -223b1

Square: 19658563681

Square Root: 374.44492251865296

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

Semiprimes whose prime factors are distinct and the reversal of one factor is equal to the other. A83815

Product of n-th prime and n-th prime written backwards. A133019

Semiprimes whose prime factors are the digit reversal of each other. A376746

Smallest composite m such that m and the smallest prime divisor of m begin with n. A197817