Properties of the Number 25100

Twenty-Five Thousand One Hundred

Basics

Value: 25099 → 25100 → 25101

Parity: even

Prime: No

Previous Prime: 25097

Next Prime: 25111

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 ² × 251

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 251

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000001100

Octal: 61014

Duodecimal: 12638

Hexadecimal: 620c

Square: 630010000

Square Root: 158.42979517754858

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 T(n,k) of partitions of n where each part i is marked with a word of length i over a k-ary alphabet whose letters appear in alphabetical order and all k letters occur at least once in the partition; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A261719

Expansion of ∏_k>=1 ((1+x^k)/(1-x^k))^2·k. A261386

a(n) is the concatenation of n and 4n. A19552

4th power of rooted tree enumerator: linear forests of 4 rooted trees. A300

Numbers that can be written as the product of two divisors greater than 1 such that the number is contained in the string concatenation of the divisors. A355790

Structured tetrakis hexahedral numbers (vertex structure 5). A100174

Number of vertices in a "frame" of size n X n (see Comments in A331776 for definition). A332598

Number of free hexagonal polygons of symmetry class D_2h and area n. A121211

Constant term of the reduction by x²->x+1 of the polynomial p(n,x) defined at Comments. A193006

Number of partitions of n where each part i is marked with a word of length i over a quaternary alphabet whose letters appear in alphabetical order and all four letters occur at least once in the partition. A293368