Properties of the Number -4851

Eight Hundred Fifty-One

Basics

Value: -4852 → -4851 → -4850

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 11

Divisors: 1, 3, 7, 9, 11, 21, 33, 49, 63, 77

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001011110011

Octal: -11363

Duodecimal: -2983

Hexadecimal: -12f3

Square: 23532201

Square Root: 69.6491205974634

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

Numerators of coefficients of EllipticE/π. A38535

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 469", based on the 5-celled von Neumann neighborhood. A272419

Expansion of ∏_k>=1 (1 - x^k)^q(k), where q(k) = number of partitions of k into distinct parts (A000009). A304783

Expansion of g.f. ∏_k>=1 (1 - x^k)^φ(k), where φ() is the Euler totient function (A000010). A346770

Expansion of ∏_k>=1 (1-x^k/∏_j=1..k (1-x^j)). A350587

Pentagonal pyramidal numbers: a(n) = n²*(n+1)/2. A2411

Mian-Chowla sequence (a B₂ sequence): a(1) = 1; for n>1, a(n) = smallest number > a(n-1) such that the pairwise sums of elements are all distinct. A5282

Generalized 25-gonal (or icosipentagonal) numbers: m*(23·m - 21)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303304

3 times pentagonal numbers: 3·n*(3·n-1)/2. A62741

Triangular numbers that are the product of two triangular numbers greater than 1. A188630