Properties of the Number -130987

One Hundred Thirty Thousand Nine Hundred Eighty-Seven

Basics

Value: -130988 → -130987 → -130986

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 130987

Divisors: 1, 130987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111110101011

Octal: -377653

Duodecimal: -63977

Hexadecimal: -1ffab

Square: 17157594169

Square Root: 361.92126215518203

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 of the form 2^p-p·q where p is prime,q=5. A155846

Primes 10k + 7 preceding the maximal gaps in A269238. A269239

a(n) = ∑_k=0..n binomial(n,k) * A000108(k) * k!. A349640

a(n) = ∑_j=0..n n^wt(j), where wt = A000120. A361257

a(n) is the least prime p such that the next prime after p with the same last digit as p is p+10·n. A328550

a(n) is the smallest prime p > k such that p + k is a power of 2, where k = 2·n - 1, or 0 if no such prime exists. A343738