Properties of the Number 12305

Twelve Thousand Three Hundred Five

Basics

Value: 12304 → 12305 → 12306

Parity: odd

Prime: No

Previous Prime: 12301

Next Prime: 12323

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 × 23 × 107

Divisors: 1, 5, 23, 107, 115, 535, 2461, 12305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000000010001

Octal: 30021

Duodecimal: 7155

Hexadecimal: 3011

Square: 151413025

Square Root: 110.92790451459904

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 integer partitions of n whose run-sums are not all equal. A382076

Sum of the lengths of the cycle types of the permutation created by length sorting on the partitions of n. A36056

Products of 3 distinct safe primes. A157354

a(n) = 10000·log₁₀(n) rounded up. A4230

Partial sums of A247666. A253767

Consecutive states of the linear congruential pseudo-random number generator (31481·s+21139) mod 10⁵ when started at s=1. A384341

Numerators of continued fraction convergents to sqrt(537). A42026

Smallest multiple of n that begins with the concatenation of the divisors of n (in increasing order). A78218

Length of n-th iterate of the mapping 00->0010, 01->010, 10->000, starting with 00. A289019

Least composite number k such that there are n digits in the intersection of the sets of digits of k and of the juxtaposition of prime factors of k (apart from multiplicity). A358003