Properties of the Number 25525

Twenty-Five Thousand Five Hundred Twenty-Five

Basics

Value: 25524 → 25525 → 25526

Parity: odd

Prime: No

Previous Prime: 25523

Next Prime: 25537

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 1021

Divisors: 1, 5, 25, 1021, 5105, 25525

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001110110101

Octal: 61665

Duodecimal: 12931

Hexadecimal: 63b5

Square: 651525625

Square Root: 159.76545308670458

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

Number of partitions of n with at least one odd part. A86543

Number of partitions of 2n that contain odd parts. A182616

Number of relatively prime or monic partitions of n. A300486

Number of integer partitions of n with alternating product > 1. A347448

Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros. A334769

a(n) = A063997(n)/4. A88406

a(n) = T(n,n-5), array T as in A055807. A55810

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237868

Positive numbers of the form x⁵-10x³*y²+5x·y⁴ (where x,y are integers and y>x). A135792

Numbers of the form x⁵-10x³*y²+5x·y⁴ (where x,y are integers). A135793