Properties of the Number -70207

Seventy Thousand Two Hundred Seven

Basics

Value: -70208 → -70207 → -70206

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: Yes

Factorization: 70207

Divisors: 1, 70207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001001000111111

Octal: -211077

Duodecimal: -34767

Hexadecimal: -1123f

Square: 4929022849

Square Root: 264.9660355592769

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(0)=1, a(1)=1, a(n) = largest prime <= a(n-1) + a(n-2). A55500

Primes having only {0, 2, 7} as digits. A261267

a(0)=1, a(1)=2, a(n) = largest prime < a(n-1)+a(n-2). A55501

a(n) = smallest palindromic prime that begins with A082768(n), or 0 if no such number exists. A82769

Base-10 palindromes that start with 7. A43042

Palindromic prime units W appearing twice in first-order fractal palindromic primes WmW. A82598

Lucky numbers that are both palindromic and prime. A31881

Primes starting and ending with 7. A62334

Palindromic primes starting with a digit 7. A222727

Palindromic primes with successive increasing difference: a(k)-a(k-1) < a(k+1)- a(k). A78790