Properties of the Number 38123

Thirty-Eight Thousand One Hundred Twenty-Three

Basics

Value: 38122 → 38123 → 38124

Parity: odd

Prime: No

Previous Prime: 38119

Next Prime: 38149

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 67 × 569

Divisors: 1, 67, 569, 38123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010011101011

Octal: 112353

Duodecimal: 1A08B

Hexadecimal: 94eb

Square: 1453363129

Square Root: 195.2511203553004

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 sopfr(n) = sopfr(n-1) + sopfr(n-2), where sopfr is the sum of prime factors of n with multiplicity (A001414). A294995

Semiprimes in A054552. A113690

Numbers k such that ∑_i=1..k (i-τ(i))ⁱ == 0 (mod k), where τ(i) = A000005(i), the number of divisors of i, and i-τ(i) = A049820(i). A229210

Position k of first term in a run of odd terms with length > 1 in A093714. A351498

a(0)=1. a(n) = a(n-1) + (largest integer occurring among {a(0),a(1),a(2),...,a(n-1)} that is coprime to n). A120938

Second differences of sequence A160644. A160648

Numbers n such that the sum of the digits of the n-th Fibonacci number written in bases 2, 3, 5 and 7 is prime. A111064

a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number that has not yet appeared that is coprime to a(n-1) but does not equal a(n-1)+1. A352588

Beatty sequence for Feigenbaum's constant. A38123