Properties of the Number 43997

Forty-Three Thousand Nine Hundred Ninety-Seven

Basics

Value: 43996 → 43997 → 43998

Parity: odd

Prime: Yes

Previous Prime: 43991

Next Prime: 44017

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 43997

Divisors: 1, 43997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010101111011101

Octal: 125735

Duodecimal: 21565

Hexadecimal: abdd

Square: 1935736009

Square Root: 209.7546185427153

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

Numbers n such that (13ⁿ + 12ⁿ)/25 is prime. A225097

Primes of the form 41+(n+n²)/2=41+A000217(n). A139219

Prime numbers whose hexadecimal representation uses only the digits A,B,C,D,E,F (and not the decimal digits). A140969

a(n) is a prime power and sum of all prime powers <= a(n) is A025475. A68343

Fibonacci iteration starting with (1, a(n)) leads to a "nine digits anagram". A34587

a(n) = -1 + ∏_k=1..n Fibonacci(k). A103815

Prime numbers formed by successively prepending prime numbers to 3. A273802

Numbers k such that 0 and 2 occur juxtaposed in the base-10 representation of k but not of k+1. A43997