Properties of the Number -212705

Two Hundred Twelve Thousand Seven Hundred Five

Basics

Value: -212706 → -212705 → -212704

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 19 × 2239

Divisors: 1, 5, 19, 95, 2239, 11195, 42541, 212705

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011111011100001

Octal: -637341

Duodecimal: -A3115

Hexadecimal: -33ee1

Square: 45243417025

Square Root: 461.19952298327456

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) = smallest composite (odd) number greater than a(n-1) such that a(n)+2n is the first prime after a(n). A189118

Row sums of triangular table A138612. A166020