Properties of the Number 42479

Forty-Two Thousand Four Hundred Seventy-Nine

Basics

Value: 42478 → 42479 → 42480

Parity: odd

Prime: No

Previous Prime: 42473

Next Prime: 42487

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 107 × 397

Divisors: 1, 107, 397, 42479

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111101111

Octal: 122757

Duodecimal: 206BB

Hexadecimal: a5ef

Square: 1804465441

Square Root: 206.10434250641106

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

a(n) = floor(10000·log₂(n)). A4268

Number of 0..4 arrays x(0..n+1) of n+2 elements without any interior element greater than both neighbors or less than both neighbors. A200867

Number of 0..n arrays x(0..8) of 9 elements without any interior element greater than both neighbors or less than both neighbors. A200877

Numbers k such that the product of distinct digits of k equals the sum of the prime divisors of k. A357262

a(n) = round(10000·log₂(n)). A4269

T(n,k)=Number of 0..k arrays x(0..n+1) of n+2 elements without any interior element greater than both neighbors or less than both neighbors. A200871

Denominators of continued fraction convergents to sqrt(767). A42479