Properties of the Number 10425

Ten Thousand Four Hundred Twenty-Five

Basics

Value: 10424 → 10425 → 10426

Parity: odd

Prime: No

Previous Prime: 10399

Next Prime: 10427

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 139

Divisors: 1, 3, 5, 15, 25, 75, 139, 417, 695, 2085

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010111001

Octal: 24271

Duodecimal: 6049

Hexadecimal: 28b9

Square: 108680625

Square Root: 102.10288928331069

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

Octahedral numbers: a(n) = n*(2·n² + 1)/3. A5900

a(n) = (2·n - 1)*(8·n² - 8·n + 3)/3. A63496

T(n,k)=Number of (n+2)Xk 0..1 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223652

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = a(3) = 1. A49933

a(n) = 1·2 + 3 + 4·5 + 6 + 7·8 + 9 + 10·11 + 12 + ... + (up to n). A305189

Numbers k such that 2·k!!! + 1 is prime. A217647

Expansion of (1-2·x+4·x²-2·x³+x⁴)/((1-x)⁴*(1+x²)²). A228705

Number of 1342-avoiding odd Grassmannian permutations of size n. A361271

Where A007535 reaches a record. A98653

Number of lattice points in the closed region bounded by the graphs of y = (5/6)*x², x = n, and y = 0, excluding points on the x-axis. A227347