Properties of the Number 4123

Four Thousand One Hundred Twenty-Three

Basics

Value: 4122 → 4123 → 4124

Parity: odd

Prime: No

Previous Prime: 4111

Next Prime: 4127

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

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

Generalized Mancala solitaire (A002491); to get n-th term, start with n and successively round up to next 6 multiples of n-1, n-2, ..., 1. A113743

Pseudoprimes to base 6. A5937