Properties of the Number 12515

Twelve Thousand Five Hundred Fifteen

Basics

Value: 12514 → 12515 → 12516

Parity: odd

Prime: No

Previous Prime: 12511

Next Prime: 12517

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 2503

Divisors: 1, 5, 2503, 12515

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000011100011

Octal: 30343

Duodecimal: 72AB

Hexadecimal: 30e3

Square: 156625225

Square Root: 111.8704608017684

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4. A196601

Numbers k such that binomial(4k, k) + 1 is prime. A125241

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,3,4,0,2 for x=0,1,2,3,4. A196646

Number of partitions p of n such that the number of parts having multiplicity 1 is a part or max(p) - min(p) is a part. A241451

Number of consecutive prime runs of 1 prime congruent to 3 mod 4 below 10ⁿ. A92637

Position of 5ⁿ in A051037 (5-smooth numbers). A188427

Partial sums of A252750: a(0) = 0; for >= 1: a(n) = A252750(n) + a(n-1). A252751

Sum of parts, counted without multiplicities, in all partitions of n into odd parts. A116930

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 7. A137004

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 8. A137005