Properties of the Number 3478

Three Thousand Four Hundred Seventy-Eight

Basics

Value: 3477 → 3478 → 3479

Parity: even

Prime: No

Previous Prime: 3469

Next Prime: 3491

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 37 × 47

Divisors: 1, 2, 37, 47, 74, 94, 1739, 3478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110010110

Octal: 6626

Duodecimal: 201A

Hexadecimal: d96

Square: 12096484

Square Root: 58.974570791146924

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 partitions of n into parts 3k and 3k+1 with at least one part of each type. A35618

Second heptagonal numbers: a(n) = n*(5·n+3)/2. A147875

Triangular array: the fission of the polynomial sequence ((x+1)ⁿ: n >= 0) by the polynomial sequence ((x+2)ⁿ: n >= 0). (Fission is defined at Comments.) A193842

a(n) = n times R(n) where R(n) (A004086) is the digit reversal of n. A61205

Number of integer compositions of n whose maximal runs R all satisfy length(R) >= first(R). A389509

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically. A207949

Product of n-th prime and n-th prime written backwards. A133019

A185128(n) is the a(n)-th triangular number. A185223

Numbers k such that the average of the divisors of k and k+1 is the same. A238380

Numbers k such that there are precisely 4 groups of orders k and k + 1. A295990