Properties of the Number 45125

Forty-Five Thousand One Hundred Twenty-Five

Basics

Value: 45124 → 45125 → 45126

Parity: odd

Prime: No

Previous Prime: 45121

Next Prime: 45127

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ³ × 19 ²

Divisors: 1, 5, 19, 25, 95, 125, 361, 475, 1805, 2375

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1011000001000101

Octal: 130105

Duodecimal: 22145

Hexadecimal: b045

Square: 2036265625

Square Root: 212.42645786248002

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

Odd powerful numbers (A062739) k such that the next powerful number after k is also odd. A363190

Odd Achilles numbers. A390953

Numerator of Euler(n, 2/9). A156219

a(n) = (-1)^n-1*n*(4n²-5)². A165935

Powerful numbers (A001694) which can be written as the sum of two relatively prime 3-powerful numbers (A036966) different from 1. A210470

Powerful numbers k such that both k-1 and k+1 are in A126706. A378629

Numbers that factorize into a prime number of factors all raised to different prime exponents and no number appears both as an exponent and as a prime factor. A114131

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A281469

Expansion of g.f. A(x) satisfying A(x) = 1 + x·A(x)/(1 - 5·x*A(x))². A365775

Terms of A216427 that are the sum of two coprime terms of A216427. A307134