Properties of the Number 15423

Fifteen Thousand Four Hundred Twenty-Three

Basics

Value: 15422 → 15423 → 15424

Parity: odd

Prime: No

Previous Prime: 15413

Next Prime: 15427

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 53 × 97

Divisors: 1, 3, 53, 97, 159, 291, 5141, 15423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110000111111

Octal: 36077

Duodecimal: 8B13

Hexadecimal: 3c3f

Square: 237868929

Square Root: 124.18937152590796

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

Number of semi-sums of strict integer partitions of n. A366741

Starts of runs of 4 consecutive Gray-code Niven numbers (A344341). A344344

Number of polyiamonds with n cells that tile the plane isohedrally but not by translation or by 180-degree rotation (Conway criterion). A75222

Permutations of 12345: Numbers having each of the decimal digits 1,...,5 exactly once, and no other digit. A178475

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 606", based on the 5-celled von Neumann neighborhood. A289891

Integers i such that 9·i = 25 X i, but 17·i is not 49 X i. A115811

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, -1), (1, -1, 0), (1, 1, 1)}. A149559

Expansion of (1/x) * Series_Reversion( x * ((1-x)² + x³) ). A371431

Triangle read by rows: T(n,k) = binomial(n+1,k+1)*binomial(2·n-k+1,k)/(n+1), 0<=k<=n. A391045

Numerator(Bernoulli(2n)) mod denominator(Bernoulli(2n)). A169980