Properties of the Number -2512

Five Hundred Twelve

Basics

Value: -2513 → -2512 → -2511

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 157

Divisors: 1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100111010000

Octal: -4720

Duodecimal: -1554

Hexadecimal: -9d0

Square: 6310144

Square Root: 50.11985634456667

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

Triangle read by rows: n-th row (n>=0) gives coefficients of characteristic polynomial of n X n generalized Cartan matrix M defined in Comments. A136678

Square array A(n, k) = A329644(prime(n)^k), read by falling antidiagonals: (1,1), (1,2), (2,1), (1,3), (2,2), (3,1), ... A329637

Expansion of (1-x)^-1/(1-x²+x³). A77883

a(n) = n³-((n-1)³+(n-2)³+(n-3)³). A147974

Heptagonal numbers (or 7-gonal numbers): n*(5·n-3)/2. A566

Number of configurations of the sliding block 8-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners. A89473

Numbers n such that Bernoulli number B_n has denominator 510. A271634

Numbers whose binary indices and prime indices have the same sum. A372427

a(n) = 2ⁿ mod n². A66606

The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {1,2,3} for all i from 1 to n-1. A174700