Properties of the Number -54102

Fifty-Four Thousand One Hundred Two

Basics

Value: -54103 → -54102 → -54101

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 71 × 127

Divisors: 1, 2, 3, 6, 71, 127, 142, 213, 254, 381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101001101010110

Octal: -151526

Duodecimal: -27386

Hexadecimal: -d356

Square: 2927026404

Square Root: 232.59836628832971

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

G.f. satisfies A(x) = 1 + x·cycle_index(G,A(x)) where G = cyclic group of order 3 generated by (1,2,3)(4,5,6). A36726

Number of length 3+2 0..n arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero. A250562

Expansion of ∑_i>=1 x^i*(i+1/2) / (1 - ∑_j>=1 x^j*(j+1/2))². A281810

Pseudo-involutory Riordan companion of 1 + 2·x*M(x), where M(x) is the g.f. of A001006. A348189

a(n) is the largest k such that the sum of k consecutive reciprocals 1/p_n + ... + 1/p_n+k-1 does not exceed 1 (where p_n = n-th prime). A327600