Properties of the Number -129127

One Hundred Twenty-Nine Thousand One Hundred Twenty-Seven

Basics

Value: -129128 → -129127 → -129126

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 129127

Divisors: 1, 129127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11111100001100111

Octal: -374147

Duodecimal: -62887

Hexadecimal: -1f867

Square: 16673782129

Square Root: 359.3424550481059

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

Number of achiral polyomino rings of length 4n with fourfold rotational symmetry. A324409

Indices of prime companion Pell numbers, divided by 2 (A001333). A99088

Primes formed from the concatenation of n and previousprime(n). A280388

Primes p such that the NSW number A002315((p-1)/2) is prime. A5850

Primes which are the reverse concatenation of two consecutive odd numbers. A104332

a(n) is the least prime p=prime(m) such that gcd (prime(m) + 2, prime(m + 1) + 2) = 2·n - 1. A268879

a(n) is the shyest prime in base n. A272043