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Properties of the Number 25380

Twenty-Five Thousand Three Hundred Eighty

Basics

Value: 25379 → 25380 → 25381

Parity: even

Prime: No

Previous Prime: 25373

Next Prime: 25391

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 2 × 3 3 × 5 × 47

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001100100100

Octal: 61444

Duodecimal: 12830

Hexadecimal: 6324

Square: 644144400

Square Root: 159.31101656822105

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

Denominators of coefficients in Stirling's expansion for log(γ(z)). A46969
Numerator of Hermite(n, 9/17). A159537
a(n) = floor(φn/n), where φ = golden ratio = (1+sqrt(5))/2. A172128
Integer nearest (1/n)*(rn), where r = golden ratio = (1 + sqrt(5))/2. A181885
Number of ways to write n as an ordered sum of ten powers of 2. A342254
Number of partitions of n containing at least one part m-4 if m is the largest part. A212544
Expansion of ∏k>=1 (1 - xk*(1 - x))/(1 - xk*(1 + x)). A307676
Exponential (2,4)-perfect numbers: numbers m such that esigma(esigma(m)) = 4m, where esigma(m) is the sum of exponential divisors of m (A051377). A328133
Expansion of ∑k>=0 x3·k / (1 - k·x)k+1. A360815
Numbers that are the sum of 4 distinct nonzero squares in exactly 5 ways. A25380