Properties of the Number 25015

Twenty-Five Thousand Fifteen

Basics

Value: 25014 → 25015 → 25016

Parity: odd

Prime: No

Previous Prime: 25013

Next Prime: 25031

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 5003

Divisors: 1, 5, 5003, 25015

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000110110111

Octal: 60667

Duodecimal: 12587

Hexadecimal: 61b7

Square: 625750225

Square Root: 158.1613100603305

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

a(n) = number of primes that end in 7 among the first 10ⁿ primes. A300399

Trajectory of n under the Reverse and Add! operation carried out in base 8 (presumably) does not reach a palindrome and (presumably) does not join the trajectory of any term m < n. A306596

Numbers n such that 36n+11, 36(n+1)+11, 36(n+2)+11 and 36(n+3)+11 are prime. A255608

a(1)=1, a(n) is the smallest integer > a(n-1) such that the largest element in the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals prime(n). A70901

Lengths of prefixes of the infinite string of digits repeat(1379) that are prime. A247025

Central decanomial coefficients: largest coefficient of (1 + x + ... + x⁹)ⁿ. A25015

Numbers k such that k⁴ = a⁴ + b⁴ + c⁴ + d⁴ has at least two positive primitive solutions. A331675