Properties of the Number 25026

Twenty-Five Thousand Twenty-Six

Basics

Value: 25025 → 25026 → 25027

Parity: even

Prime: No

Previous Prime: 25013

Next Prime: 25031

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 43 × 97

Divisors: 1, 2, 3, 6, 43, 86, 97, 129, 194, 258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000111000010

Octal: 60702

Duodecimal: 12596

Hexadecimal: 61c2

Square: 626300676

Square Root: 158.19608086169518

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

Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of these n·k points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of regions in the resulting planar graph. A367304

a(n) = 81·n² - 69·n + 24. A304616

One-half of averages of twin prime pairs of A001318. A154565

Regular triangle read by rows: T(n,k) is the k-th ionization energy of the n-th chemical element (in kJ/mol), rounded to the nearest integer. A322834

a(n)³ ends in n³. A167178

a(n) is the final nonzero digit of n!. A8904

Numbers whose least quadratic nonresidue (A020649) is 17. A25026

Number of distinct values that can be produced by splitting n and adding the parts. A348674