Properties of the Number 37405

Thirty-Seven Thousand Four Hundred Five

Basics

Value: 37404 → 37405 → 37406

Parity: odd

Prime: No

Previous Prime: 37397

Next Prime: 37409

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7481

Divisors: 1, 5, 7481, 37405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001001000011101

Octal: 111035

Duodecimal: 19791

Hexadecimal: 921d

Square: 1399134025

Square Root: 193.40372281835735

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

Matrix square of triangle A136220, read by rows. A136225

Numbers k such that 2·10^k + 4·R_k - 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A102953

Column 1 of triangle A136225; also equals column 0 of triangle A136230. A136227

Matrix square of triangle V = A136230, read by rows. A136234

Column 1 of triangle A091604. A91611

Triangle P, read by rows, where column k of P³ equals column 0 of P^3k+3 such that column 0 of P³ equals column 0 of P shift one row up, with P(0,0)=1. A136220

Triangle U, read by rows, where column k of U^j+1 = column j of P^3k+1 for j>=0, k>=0 and P=A136220. A136228

Triangle V, read by rows, where column k of V^j+1 = column j of P^3k+2, for j>=0, k>=0 and where P=A136220. A136230

Numbers k such that every base-8 digit of k is a base-9 digit of k. A37405

Number of (n+3)X4 binary arrays with no more than two of any consecutive four bits set in any row or column. A202567