Properties of the Number 45009

Forty-Five Thousand Nine

Basics

Value: 45008 → 45009 → 45010

Parity: odd

Prime: No

Previous Prime: 45007

Next Prime: 45013

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 1667

Divisors: 1, 3, 9, 27, 1667, 5001, 15003, 45009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010111111010001

Octal: 127721

Duodecimal: 22069

Hexadecimal: afd1

Square: 2025810081

Square Root: 212.15324649884573

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

Bases b where exactly nine primes p with p < b exist such that p is a base-b Wieferich prime. A325885

a(n) = a(n-1) + 3·a(n-2) with n>1, a(0)=1, a(1)=6. A274977

Sum over all partitions of n of the bitwise OR of the parts. A306902

Number of n-node rooted trees of height 7. A418

Numbers k such that k | 12^k + 11^k + 1. A57293

a(n) = Sum{i=1..n} ( i·2^i-1 ) - ( A002024(n)*(A002024(n)+1)/2 - n ) * 2^A002024(n-1). A135471

Odd numbers n divisible by 3 such that for all k >= 1 the numbers n·2^k + 1 and n·2^k+1 + 1 do not form a pair of primes. A243857

Numbers whose base-3 representation contains exactly four 0's and no 2's. A45009