Properties of the Number 15125

Fifteen Thousand One Hundred Twenty-Five

Basics

Value: 15124 → 15125 → 15126

Parity: odd

Prime: No

Previous Prime: 15121

Next Prime: 15131

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 ³ × 11 ²

Divisors: 1, 5, 11, 25, 55, 121, 125, 275, 605, 1375

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11101100010101

Octal: 35425

Duodecimal: 8905

Hexadecimal: 3b15

Square: 228765625

Square Root: 122.98373876248843

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

Alternate Lucas numbers - 2. A4146

Numbers of the form p² * q³, where p,q are distinct primes. A143610

Associated Mersenne numbers. A1350

Number of pairs of partitions of {1,2,...,n} whose meet is the partition {{1}, {2}, ..., {n}}. A59849

Numbers of the form 5ⁱ * 11^j. A3598

T(n,k)=Number of length n+5 0..k arrays with some disjoint triples in each consecutive six terms having the same sum. A248068

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order. A231419

Regular triangle where T(n,k) is the number of pairs of set partitions of {1,...,n} with meet of length k. A318391

Expansion of (1+x²)/(1-2·x+x³). A14739

T(n,k) = number of (n+1) X (k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 1,1 or 1,2. A264071