Properties of the Number -1611161

Six Hundred Eleven Thousand One Hundred Sixty-One

Basics

Value: -1611162 → -1611161 → -1611160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: Yes

Factorization: 1611161

Divisors: 1, 1611161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110001001010110011001

Octal: -6112631

Duodecimal: -658475

Hexadecimal: -189599

Square: 2595839767921

Square Root: 1269.31516968797

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 that contain digits 1 and 6 only. A20454

Palindromic primes in A380943. A383815

Palindromic primes in the sense of A007500 with digits '0', '1' and '6' only. A199306

Primes that are the concatenation of x, 1 and·for some x. A392227

Numbers n which in decimal have the form imj, where m is the middle digit, with property that j is the reversal of i, and i = m·j. A82945

Smallest palindromic prime containing the n-th palindrome. A85054

Take each palindrome ending in 1, 3, 7, or 9 and find smallest prime formed by the digits of that palindrome, followed by a string of digits, followed by the palindrome again. A90272

Palindromic primes with middle digit 1. A82436

Palindromes in A090272. A90271

Let f(n) be the n-th palindrome in A089743. Then a(n) is the smallest palindromic prime that begins with f(n). A88277