Properties of the Number 22645

Twenty-Two Thousand Six Hundred Forty-Five

Basics

Value: 22644 → 22645 → 22646

Parity: odd

Prime: No

Previous Prime: 22643

Next Prime: 22651

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 647

Divisors: 1, 5, 7, 35, 647, 3235, 4529, 22645

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100001110101

Octal: 54165

Duodecimal: 11131

Hexadecimal: 5875

Square: 512796025

Square Root: 150.48255712872506

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

a(n) = n*(n² + 2·n - 1)/2. A127736

Wiener index of the prism graph Y_n on 2n nodes. A138179

Right edge of the triangle A045975. A204557

40-gonal numbers: a(n) = 38·n*(n-1)/2 + n. A261191

Number of ways to partition a 2·n X 3 grid into 2 connected equal-area regions. A167242

Number of minimum edge covers in the n-dipyramidal graph. A298822

Numbers k such that 35·2^k+1 is prime. A32367

Decimal part of n-th root of a(n) starts with digit 2. A34079

Number of A095744-primes in range ]2ⁿ,2ⁿ⁺¹]. A95754

Wiener index of the Moebius ladder M(n). A180857