Properties of the Number -4123

One Hundred Twenty-Three

Basics

Value: -4124 → -4123 → -4122

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 7 × 19 × 31

Divisors: 1, 7, 19, 31, 133, 217, 589, 4123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000000011011

Octal: -10033

Duodecimal: -2477

Hexadecimal: -101b

Square: 16999129

Square Root: 64.21059102671458

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

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 361", based on the 5-celled von Neumann neighborhood. A271417

Alternating sum of first three Stirling numbers of the first kind. A81103

Sum of divisors of square numbers. A65764

Decimal representation of permutations of lengths 1, 2, 3, ... arranged lexicographically. A30299

Generalized 26-gonal (or icosihexagonal) numbers: m*(12·m - 11) with m = 0, +1, -1, +2, -2, +3, -3, ... A316724

Expansion of 1/(1 - x² - x⁷ - x¹² + x¹⁴) (a Salem polynomial). A143619

Pseudoprimes to base 5. A5936

Values of n such that L(9) and N(9) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226929

Numbers k such that k!!!!! + 1 is prime. A85148

Triangle V, read by rows, where column k of V^j+1 = column j of P^3k+2, for j>=0, k>=0 and where P=A136220. A136230