Properties of the Number 42445

Forty-Two Thousand Four Hundred Forty-Five

Basics

Value: 42444 → 42445 → 42446

Parity: odd

Prime: No

Previous Prime: 42443

Next Prime: 42451

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 13 × 653

Divisors: 1, 5, 13, 65, 653, 3265, 8489, 42445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111001101

Octal: 122715

Duodecimal: 20691

Hexadecimal: a5cd

Square: 1801578025

Square Root: 206.0218435020908

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 of multisets whose right half (inclusive) sums to n. A360671

Number of ON states after n generations of cellular automaton based on f.c.c. lattice with each cell adjacent to its twelve neighbors. A151776

Number of partitions of n into parts not of the form 25k, 25k+5 or 25k-5. Also number of partitions with at most 4 parts of size 1 and differences between parts at distance 11 are greater than 1. A36004

Positive integers m such that π(m³) = π(j³) + π(k³) for some 0 < j <= k < m. A262409

Denominators of continued fraction convergents to sqrt(750). A42445

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,0,3,1,2 for x=0,1,2,3,4. A196333