Properties of the Number 15279

Fifteen Thousand Two Hundred Seventy-Nine

Basics

Value: 15278 → 15279 → 15280

Parity: odd

Prime: No

Previous Prime: 15277

Next Prime: 15287

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 463

Divisors: 1, 3, 11, 33, 463, 1389, 5093, 15279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11101110101111

Octal: 35657

Duodecimal: 8A13

Hexadecimal: 3baf

Square: 233447841

Square Root: 123.60825215170709

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 partitions of n such that m(2) > m(3), where m = multiplicity. A240065

a(n) = A008893(n)/2. A152041

Number of sets of nonempty words with a total of n letters over ternary alphabet such that within each word every letter of the alphabet is at least as frequent as the subsequent alphabet letter. A340410

Numbers k such that φ((prime(k)-1)/2) = σ(k). A68474

Triangle read by rows: T(n,k) (0 <= k <= ceiling(n/2)-2) is the number of (1,1) steps starting at level k in all peakless Motzkin paths of length n (can be easily translated into RNA secondary structure terminology). A110238

Smallest number that reaches 1 after n iterations of the map x -> A356874(x). A364802

Numbers whose base-4 representation contains exactly three 2's and four 3's. A45152

Gaussian binomial coefficient [ n,3 ] for q = -11. A15279

Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s. A297633