Properties of the Number 25120

Twenty-Five Thousand One Hundred Twenty

Basics

Value: 25119 → 25120 → 25121

Parity: even

Prime: No

Previous Prime: 25117

Next Prime: 25121

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 5 × 157

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001000100000

Octal: 61040

Duodecimal: 12654

Hexadecimal: 6220

Square: 631014400

Square Root: 158.4929020492716

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

Sum of distances between dual pairs of partitions of n for the canonical order. A36045

Number of partitions p of n such that (number of numbers in p of form 3k+2) < (number of numbers in p of form 3k). A241740

a(n) = 4·floor(23·2ⁿ/15). A102651

Numbers whose binary indices are all squarefree semiprimes. A371453

Number of partitions of 2n into exactly n nonzero decimal palindromes. A319454

a(n) is the least practical number A005153(k) such that A005153(k+1) - A005153(k) = 2·n, or -1 if no such number exists. A364707

Expansion of ∏_k>=1 (1 + k²*x^k²). A282866

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = floor(n/2), s = A000201 (lower Wythoff sequence), t = A023533. A25120

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4. A196452