Properties of the Number 42625

Forty-Two Thousand Six Hundred Twenty-Five

Basics

Value: 42624 → 42625 → 42626

Parity: odd

Prime: No

Previous Prime: 42611

Next Prime: 42641

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ³ × 11 × 31

Divisors: 1, 5, 11, 25, 31, 55, 125, 155, 275, 341

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011010000001

Octal: 123201

Duodecimal: 20801

Hexadecimal: a681

Square: 1816890625

Square Root: 206.45822822062578

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

Partition function coefficients for square lattice spin 1 Ising model. A10107

a(n) = 74·n² + 1. A158742

a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence. A351689

Numbers k that divide 7^k + 3^k. A45586

Coefficients of replicable function number 15a. A58512

a(n) = a(n-1) + a(n-2) - a(n-3) - a(n-8), starting 1,1,2,2,3,3,4,4. A172397

Numbers k such that k!3 + 3⁴ is prime. A247866

Denominators of continued fraction convergents to sqrt(842). A42625