Properties of the Number 42379

Forty-Two Thousand Three Hundred Seventy-Nine

Basics

Value: 42378 → 42379 → 42380

Parity: odd

Prime: Yes

Previous Prime: 42373

Next Prime: 42391

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 42379

Divisors: 1, 42379

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010110001011

Octal: 122613

Duodecimal: 20637

Hexadecimal: a58b

Square: 1795979641

Square Root: 205.8616039964714

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

Smallest number k such that the continued fraction expansion of sqrt(k) contains n distinct numbers. A187142

Least number k such that the continued fraction expansion of its square root contains the first n natural numbers. A187261

Least prime p such that the continued fraction expansion of its square root contains the first n natural numbers, but does not contain n+1. A185808

Indices of records in A028832. A374232

Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 6. A154059

Concatenations of pairs of primes that differ by 10. A104719

Denominators of continued fraction convergents to sqrt(716). A42379