Properties of the Number 42289

Forty-Two Thousand Two Hundred Eighty-Nine

Basics

Value: 42288 → 42289 → 42290

Parity: odd

Prime: No

Previous Prime: 42283

Next Prime: 42293

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 13 × 3253

Divisors: 1, 13, 3253, 42289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010010100110001

Octal: 122461

Duodecimal: 20581

Hexadecimal: a531

Square: 1788359521

Square Root: 205.6428943581567

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 largest parts (counted with multiplicity) of all partitions of n into odd parts. A92310

Total number of congruence subgroups of PSL(2,Z) of genus n. A258691

Expansion of χ(x) / φ(x²) in powers of·where φ(), χ() are Ramanujan θ functions. A85261

a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n³ + n² + n + 1. A227015

Smaller of two consecutive semiprimes which are anagrams of each other. A228135

Denominators of continued fraction convergents to sqrt(670). A42289