Properties of the Number 25125

Twenty-Five Thousand One Hundred Twenty-Five

Basics

Value: 25124 → 25125 → 25126

Parity: odd

Prime: No

Previous Prime: 25121

Next Prime: 25127

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ³ × 67

Divisors: 1, 3, 5, 15, 25, 67, 75, 125, 201, 335

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000100101

Octal: 61045

Duodecimal: 12659

Hexadecimal: 6225

Square: 631265625

Square Root: 158.50867484147358

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

Centered tetrahedral numbers. A5894

Triangle read by rows: T(n,m) (n >= m >= 1) = number of vertices formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares. A331453

a(n) is the concatenation of n and 5n. A19553

Concatenation of n² and n³. A239460

Concatenations x||1||x for numbers x. A392225

Structured heptagonal diamond numbers (vertex structure 5). A100179

Sum of proper divisors of Motzkin number A001006(n). A152982

Difference between n-th prime squared and n-th perfect square. A106588

Numbers k such that k and k² use only the digits 1, 2, 3, 5 and 6. A136974

Smallest odd number greater than any previous term such that it divides the concatenation of all the previous terms and itself; begin with 1. A228806